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KBOH-TNO Homologation Directive for hand propelled

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1. figure 3 Castor wheel outside greatest width Centre of tipping device to inside of tyre CGQ12 A B Definition The distance from the centre of the tipping device to the inside of the tyre Purpose of test The foot shoe should not rest against or come between the requirement spokes of the wheel The basis for this requirement is the shoe width of a P50 man on the ball of the foot Test method The distance from the centre of the side nearest to the tyre of the surface on which the foot is supported during tipping to the inside of the tyre See figure 4 figure 4 Centre of tipping device to inside of tyre Cluster Definition A cluster is a group of users with the same characteristics with respect to their functional limitations anticipated use and the possible user circumstances in so far as these are related to the characteristics of a group of technical aids From the point of view of the technical aids A cluster represents a group of users as large as possible for which all individual requirements can still be realised in one product Colour functions 10 3GQ2 Definition The colour of the functions on the control panel Purpose of test Red is an easily discernible colour associated with danger requirement Red can therefore be used on switches or equipment used e g in emergency situations However the colour red should be used carefully In the case of an emergency the neces
2. Test method The stability when accelerating braking and when changing direction The required minimum negotiable slope commonly occurs and therefore needs to be capable of being negotiated safely For slopes steeper than the required minimum negotiable slope the user should be aware that tipping can occur The maximum deceleration should be attained as quickly as possible using the service brake not with a system for an emergency stop when ascending the slope in both a forward and reverse direction and By setting the speed regulator to full power in a single movement the wheelchair should be set in motion from a stationary position in both a forward and reverse direction facing upwards The lowest speed is first engaged when reversing on the slope E Ease of operation for fixing seat rotation mechanism C 32 Definition Purpose of test requirement Test method The ease with which the seat can be fixed in a particular setting It is not permissible for the user to bend down any further than the level of the thorax in order to operate the buttons and switches The basis for the operating force is the pushing and pulling power that a woman with a normal healthy working hand arm can summon at the height of the hip in conformity with Burandt 0 6 x 100 N If any fingers become trapped when the settings are adjusted then this is deemed to be apparently poor It is determined experimentally whether the settings of
3. The reason for this requirement is clothing and shoes can be entangled in protruding parts behind the wheelchair injury can be caused by these they can cause constant bumps and jolts whilst the wheelchair is being pushed Visual and if necessary experimental evaluation Indoor see also Area of use indoor Definition The wheelchair is used indoors For electrically operated wheelchairs this means that specific requirements are laid down in the standards In addition to indoor there are other categories i e indoor outdoor and outdoor for which specific requirements are made Indoor outdoor see also Area of use indoor outdoor Definition The wheelchair is used indoors and outdoors For electrically operated wheelchairs this means that specific requirements are laid down in the standards In addition to indoor outdoor there are other categories i e indoor and outdoor for which specific requirements are made Inflatability of pneumatic tyres Definition The possibility for the user of the attendant him or herself to inflate the pneumatic tyres both front and rear with one type of pump Purpose of test It is assumed that wheelchair tyres can be inflated using a requirement suitable bicycle pump One solution might be to supply a adapter valve In this case it is easier for users if the adapter valve can remain on the valve during use However the adapter valve is required to be capable of stayin
4. Definition Purpose of test requirement Test method The reliability of the constructional part of the wheelchair which enables mechanical steering of the wheel s Any level of tolerance in the hinged parts will cause little inconvenience for the user Excessive level of tolerance in the steering frame will adversely influence driving performance and should be avoided It is apparent that for driving purposes the steering frame must be sufficiently well attached once the height and depth settings have been fixed or after having been folded to enable a reduction in size Visual and experimental evaluation Re movability of armrests Definition Purpose of test requirement Test method The possibility to re move the armrests in order to create space for making a transfer For sideways transfers from standing to sitting positions or otherwise armrests should not impede this transfer and are therefore required to be re moved It is determined experimentally whether the armrests can be re moved Re movability of footplates Definition Purpose of test requirement Test method Remark The possibility to re move the legrests in order to create space for making a transfer For transfers from standing to sitting positions footplates should not impede this transfer and are therefore required to be re moved It is experimentally determined whether the footplates can be re moved for example by folding them a
5. 2 removable height NA Type 3 removable height VU Type 4 removable height SA VT Type 5 removable angle VT height VT Type 6 removable angle 6 VU height VU Removable is also taken to mean can be lowered to the same height as the seat or foldable For types 2 3 and 6 this means removable by user Armrest height NA Definition Purpose of test requirement Test method The height available in order to support the arms The available space is determined by the configuration of the armrests and the seat The ideal relationship between armrest height A and elbow height is expressed as armrest height A elbow height The level of tolerance for the ideal ratio has been determined as 30 mm to 30 mm A relationship is determined for the distance between the elbow heights and the upper leg lengths of users The required relationship between the armrest height and the sitting depth is derived from this Corrected elbow heights that most commonly occur in the general population are 185 295 mm An armrest smaller than 185 30 155 mm and larger than 295 30 325 mm does not have much purpose Testing in conformity with ISO 7176 7 dimension 16 Testing is carried out in the basic neutral position Armrest height SA VT VU Definition Purpose of test requirement Test method The height available in order to support the arms The available space is determined by the configuration of the armrests a
6. Type 8 extended high Type of seat Definition The way in which the seat is designed rigid or non rigid hammock Purpose of test For electrically powered wheelchairs with a tilt in space requirement seat and for scooters a rigid support is required Test method Visual evaluation The following designated types apply Type 1 upholstered Type 2 anatomically shaped Type 3 hammock Type 4 arthrodesis Type 5 sprung seat Type 6 rotating seat Type 7 webbed Type 8 separate cushion Type 9 stretch adjustable Type of variable setting for a Definition Whether and in which way the sitting posture can be varied Purpose of test Typical for a wheelchair which is not just used for transfers requirement over short distances is that the angle a must at least have a single adjustment with which the sitting posture of the individual user can be optimised A VT is also permitted This might particularly apply to push chairs for adjustments for which there a number of different users For each wheelchair user the person who pushes can vary the backrest angle a An non adjustable angle NA is sufficient as long as the size of the angle is within the proper limits Test method Visual and experimental evaluation Type of variable setting for a Definition Purpose of test requirement Test method U Whether and in which way the sitting posture can be varied Characteristic of a tilt mechanism with two settin
7. also refers to such terms as emergency stop emergency start emergency switch off and emergency switch on If an emergency stop switch is situated on the wheelchair this is required to be designed in conformity with the specified norms for purposes of identification Visual and experimental evaluation External handrim diameter CGQ15 Definition Purpose of test requirement Test method The external diameter of the handrim If the handrim is the same as the wheel rim the thickness of the flat tyre will ensure that the handrim will not touch the ground The largest diameter of the handrim is measured F Foldability of control panel CGQ17 Definition Purpose of test requirement Test method The possibility of folding away the control panel so that the user is able to sit at a table and the way in which this is performed In order to sit normally at a table or desk the control panel will have to be temporarily moved in one way or another Removal of a control panel is not considered to be acceptable Loose part may fall on the floor so that the user is unable to reach them and may possibly lose them Experimental evaluation Footrest A6 1GQ1 B7 1GQ1 Definition Purpose of test requirement Test method The presence of a support element on which the feet can be supported During use the user s feet are required to be provided with adequate support Visual evaluation Functioning of freewheel
8. are 390 560 mm A sitting height smaller than 390 20 370 mm and larger than 560 20 580 mm does not have much purpose Test method Testing in conformity with ISO 7176 7 dimension 11 for free space under the footrests of 70 mm or the nearest higher value Sitting posture Definition The sitting posture is the posture that the user adopts in the wheelchair NB The sitting posture is determined primarily by the angle between the seat angle a and the angle of the seat in relation to the horizontal plane angle See figure 16 Sitting posture adjustable Definition An active single adjustment sitting posture intended for relatively short term use or long periods of active use Sitting posture adjustments Definition The adjustment of support elements to enable the user to attain the desired sitting posture Sitting posture non adjustable Definition An active non adjustable sitting posture intended for short term use Sitting posture tilt in space Definition A wheelchair whose seat can alternately be set to two or more settings by the user or the attendant namely an active transfer setting and a semi active stable or relaxed setting Sitting width requirement BGQ2 A B Definition Purpose of test requirement Purpose of test requirement The width of the seat unit of the wheelchair which is available for supporting the upper leg and the buttocks The width available is determined by the configuration of t
9. edge side of the seat or its extension to the top of the projection The wheelchair is placed in the transfer situation by performing the operations required for that purpose activating the parking brake s e g removing and or lowering and or folding back the armrest clothing protector etc Holding force parking brake physically propelled wheelchairs The force is measured which the wheelchair blocked by a parking brake can resist With the use of a pulling force recorder an as slowly as possible force is exerted in the backward direction on a wheelchair blocked by a parking brake until the moment that the brake or the wheelchair starts to slip or a maximum pulling force is reached of 225 N The pulling force is applied horizontally in the centre and at the level of the drive wheel axles The castors should be positioned in the following position for driving straight backward The load in the wheelchair is the complete ISO Test dummy For wheelchairs meant for cluster 15b R05 and for cluster Active self propelling adjustable RO6 an additional measurement is made for which the heaviest point is placed more to the front by placing the weights from the back section to the sitting section see figure 16 4 This measurement is to be made three times The average of the 3 measurements should be considered the test value figure 19 distribution of mass ISO dummy in order to determine holding force of parking brake cluster 15b RO5 and fo
10. for removal replacement of armrests legrests by attendant C 25 Definition The body parts required by the attendant to remove replace a Support element Purpose of test It is not acceptable for example to take hold of requirement armrests legrests with one hand to operate the switch with the other hand and to restrain the wheelchair with the necessary force using another part of the body Test method Experimental evaluation Body parts required for removal replacement of armrests legrests by user C 29 Definition The body parts required by the attendant to remove replace a Support element Purpose of test It is not acceptable for example to take hold of requirement armrests legrests with one hand to operate the switch with the other hand and to restrain the wheelchair with the necessary force using another part of the body Test method Experimental evaluation Body parts required for varying a Definition The body parts that are required to carry out the adjustment Purpose of test The use of body weight in order to exert a force for varying requirement the sitting posture increases the likelihood of this not being able to be done by the user attendant Test method Experimental evaluation Body parts required for varying Definition Purpose of test requirement Test method Brake Definition Test method The body parts that are required to carry out the adjustment The use of body weight in orde
11. in the following fashion Backrest height C height of cervical part The level of tolerance determined for the ideal relationship is set at 85 mm to 0 mm No relationship has been determined for distance between the height of the cervical part and the upper leg length of the user The most desirable dimensional ratio for the backrest in relation to the sitting height is derived from this The corrected cervical heights that occur in the general population are 530 740 mm A backrest height smaller than 530 85 445 mm and larger than 740 0 740 mm does not have much purpose Testing in conformity with ISO 7176 7 dimension 7 Measurements are taken in the neutral position It is determined whether the backrest has an apparently nonsensical profile Backrest height requirement BGQ9 D Definition Purpose of test requirement Test method Remark The length which is available for supporting the back The available space is determined by the configuration of the seat and backrest and the length and shape of the backrest The support is designed in such a way that the lower part of the back can be reasonably supported and that the shoulder blades are completely free To this end the backrest height matches the height of the thoracic part of the user s back The ideal relationship between backrest height D and the height of the thoracic part of the back is determined in the following fashion Backrest height D heig
12. of the tipping device to the ground The basic assumption is made that an attendant can still operate with his or her heel on the ground since some older attendants are not as well able to stand on one leg and exert a force with the other leg at the same time A foot length of 2 5 percentile for a woman is assumed It is assumed that the ball of the foot approx 3 4 of the foot length is supported on the tipping device and the foot is initially positioned at an angle of 45 against the tipping device A measurement is taken from the top of that part of the tipping device on which the foot is supported when tipping to the floor See Seat Elevation Holding force of parking brake 7 2 GQ2 Definition Purpose of test requirement Test method The force that a hand propelled wheelchair can withstand when the parking brake is engaged A holding force of 200 N guarantees sufficient blocking of the wheelchair including a load of 75 kg The reverse horizontal pulling force on the wheel axles is measured by means of a dynamometer The wheelchair is loaded with a weighted dummy The castor wheels are situated in a freewheel position Holding force of parking brake automatic brake on the maximum negotiable slope 8 2 1 1 Definition Purpose of test requirement Test method The force that an electrically powered wheelchair can withstand when the parking brake or automatic brake is engaged An electrically powered wheelchair
13. position armrest angle as much as possible corresponding to seat angle headrest height and depth in central position large driving wheels as supplied or according to instruction of manufacturer If adjustable without tools in central position pushing facility as high as possible up to a maximum of 1050 mm tipping and or anti tipping facility in central position as concerns all adjustable parts for which no end stop has been indicated a minimum clamping length of 50 mm is taken into account if applicable if the seat is adjustable in height in relation to the footrest this must be placed in the centre as concerns the height or front rear for the neutral basic position For dynamic stability measurements it must be placed in the highest and most rear travelling position If the steering unit of the scooter is adjustable measuring is effected with the steering unit in such a position that the steering distance is 580 mm or the nearest value The height adjustment is set to the central position other relevant parts in central position tyre pressure according to statement of wheelchair or tyre manufacturer If the pressure stated by the wheelchair manufacturer is higher than the pressure indicated on the tyre the statement on the tyre is taken into account If no indication is available the following is taken into account large wheels 3 bar castors 2 5 bar If the seat height can be varied at all ti
14. suitable by the manufacturer should indeed be applicable The applicability is determined using manufacturer importer specifications and experimentally The manufacturer importer is requested to specify for which Wheelchair Tie down and Restraint system the wheelchair can be made suitable The necessary standard points of attachment are also required Using these as a basis it is determined as to whether the methods are applicable Restraint system see also Restraint in other means of transport Definition Rigid Definition A system by which the wheelchair can be secured in a wheelchair taxi or mini bus for the purposes of transportation A support element that retains its shape in its unloaded condition through the presence of a frame Rotation of sitting unit A1 7GQ2 Definition Purpose of test requirement Test method S Scooter Definition Speed regulation Definition Purpose of test requirement Test method The possibility to rotate the wheelchair in relation to the frame in order to facilitate transfer and dis mounting If the seat can be rotated to the left and the right it is possible to dis mount on either side If the seat is rotated to 90 i e at right angles to the direction of travel dis mounting is required to take place without any obstruction by the steering control unit and the steering column A measurement is taken of the angle through which the seat can rotate and can be positi
15. that the back can be reasonably supported and that the shoulder blades are free To this end the backrest height matches the height of the thoracic part of the user s back The ideal relationship between backrest height A and the height of the thoracic part of the back is determined in the following fashion Backrest height B height of thoracic part 60mm The level of tolerance determined for the ideal relationship is set at 60 mm to 160 mm No relationship has been determined for distance between the height of the thoracic part and the upper leg length of the user The backrest height must be suitable for the height of the thoracic parts of the back that occur in the gen Testing in conformity with ISO 7176 7 dimension 7 Measurements are taken in the neutral position It is determined whether the backrest has an apparently nonsensical profile Backrest height requirement BGQ12 C Definition Purpose of test requirement Test method Remark The length which is available for supporting the back The available space is determined by the configuration of the seat and backrest and the length and shape of the backrest The support is designed in such a way that the back can be reasonably supported and that the neck is free To this end the backrest height matches the height of the cervical part of the user s back The ideal relationship between backrest height C and the height of the cervical part of the back is determined
16. the seat can be reached or operated without the user becoming thoracically detached from the backrest The operating force of any levers is measured with a dynamometer See measuring force Ease of operation in folding away control panel Definition Purpose of test requirement Test method The possibility of being able to fold away the control panel for sitting at the table and the way in which this is carried out The basis for the operating force is the pushing and pulling power that a woman with a normal healthy working hand arm can summon at the height of the hip in conformity with Burandt 0 6 x 100 N Using a dynamometer See measuring force Ease of operation of freewheel setting for attendant Definition Purpose of test requirement Test method The ease with which the freewheel setting can be reached or operated by the attendant The basis for the operating force is the pushing and pulling power that a woman with a normal healthy working hand arm can summon at the height of the hip in conformity with Burandt 0 6 x 100 N It is determined experimentally whether an attendant standing to the rear of the wheelchair can reach and operate the parking brake The operating force is measured with a dynamometer See measuring force Ease of operation of parking brake for attendant Definition Purpose of test requirement Test method The ease with which the parking brake can be reached or operated by the attend
17. 7176 part 7 The joystick is situated in its neutral position for this purpose The position of the lighting in connection with visibility in traffic In conformity with EN 12184 A measurement is taken of the height of the upper and lower sides of the lighting to the floor Possibility of driving after reduction in height disassembly or reduction in width Definition Purpose of test requirement Test method The possibility to drive the remaining part of the frame after a reduction in size height reduction disassembly width reduction in order to facilitate transfer of the wheelchair to a means of transport A electrically powered scooter is too heavy to lift into a car For this reason it can be transferred by means of a vehicle access ramp after reducing it in size and is therefore required to be capable of being driven This can be done by means of the electric motor via the controls with the steering control unit or by pushing once the freewheel setting has been engaged Experimental evaluation Possibility of driving after reduction in width height Definition Purpose of test requirement Test method The possibility to drive the remaining part of the frame after a reduction in size width height reduction in order to facilitate transfer of the wheelchair to a means of transport Not only is transfer into a car facilitated but also manoeuvrability of the wheelchair in order to reduce it in size Experimenta
18. Definition Purpose of test requirement Test method The extent to which the locking release mechanism of the armrests legrests are accessible by the user These controls are required to be at least within the reach of the attendant Experimental evaluation Accessibility of turning knob lever for varying Definition Purpose of test requirement Test method The available space around the turning knob lever for the required body parts to carry out the adjustment There must be sufficient space around the knob lever for the hand and there must be sufficient space to turn the knob or switch the lever Experimental evaluation Accessibility of turning knob lever for varying a Definition The available space around the turning knob lever for the required body parts to carry out the adjustment Purpose of test There must be sufficient space around the knob lever for requirement the hand and there must be sufficient space to turn the knob or switch the lever Test method Experimental evaluation Accessibility of variable setting for VU Definition The extent to which the control device is accessible Purpose of test Taking into consideration any possible poor balance in the requirement trunk region it is not permissible for the user to bend forwards any further than the level of the thorax in order to operate a switch lever etc Test method Experimental evaluation Accessibility visibility of operating switches for v
19. GQ6 for push chairs and scooters Definition Purpose of test requirement Test method The dimensions I x w x h of the largest part of the wheelchair for transport after it has been reduced in size The scooter is reduced in height by means of removing or folding down the backrest and folding away the steering column It is assumed that this is carried out by an attendant and that ramps are available The maximum dimensions are derived from the space available in the luggage space of an estate car The arm and legrests as well as any seat and or backrest cushions are removed from the wheelchair after which all parts of the wheelchair are removed or folded resulting in the wheelchair s reduction in length and or width and or height This must be done without the use of any tools The length width and height of the largest remaining part are measured after reduction in height Disassembly Definition Disassembly is defined as the disassembling of the wheelchair without the use of tools for the purpose of reducing the length and or the width and or the height of the wheelchair Disassembly U disassembly is carried out by the user The criteria are therefore based on the functional capacities of the user and makes the assumption that whatever the case the wheelchair can also be disassembled by the attendant Disassembly T U disassembly is carried out by the attendant The criteria are therefore based on the functional capacitie
20. Q3 C Definition Purpose of test requirement Test method The width of the seat unit of the wheelchair which is available for supporting the upper leg and the buttocks The width available is determined by the configuration of the seat width side panels and armrests The sitting width corresponds to the user s hip width in such a way that the buttocks and the upper legs are capable of being supported adequately with a sufficient freedom of movement The ideal relationship between the sitting width and the hip width is determined in the following fashion sitting width C hip width 80 mm The level of tolerance determined for the ideal relationship is set at 40 mm to 40 mm A relationship is determined between the hip width and the upper leg length of users The required dimensions for sitting width are derived from this Corrected hip widths that most commonly occur in the general population are 320 490 mm A sitting width smaller than 820 40 360 mm and larger than 490 120 610 mm does not have much purpose Testing in conformity with ISO 7176 7 dimension 3 seat width figure 14 and 15 Testing in conformity with ISO 7176 7 dimension 4 side panels figure 13 Testing in conformity with ISO 7176 7 dimension 21 armrests figure 3 Sitting width the lowest value of dim 3 40 mm dim 4 dimension 21 40 mm Testing is carried out in the basic neutral position Size of angle A Definition P
21. R 06 KBOH TNO Homologation Directive for hand propelled wheelchairs electrically powered wheelchairs and scooters DEFINITIONS Homologation Directive R 06 valid as of May 1 1999 3 impression November 2003 In case of doubt the Dutch text is definite KBOH Stichting voor Kwaliteits en Bruikbaarheidsonderzoek van Hulpmiddelen voor gehandicapten en ouderen KBOH is an independent information and expertise centre specialising in technical aids KBOH is responsible for defining the requirements that adequate technical aids must satisfy as well as providing objective information on the quality efficiency and usability of technical aids Woerden November 2003 ISO 9999 class 12 21 Notes to accompany the 3 impression The first publication of the R 06 homologation directive appeared in May 1999 As a result of an improved understanding of the subject matter and in response to the results of tests which have been carried out a number of requirements have been changed with respect to the first version These changes have now been formally incorporated into this edition KBOH Approvals Office November 2003 Contents he 2 3 INMOOUCHON awit denna din ahaa eas 4 DSNIONS ssnst nado ene ewan ei 5 Measuring equipment and measuring Conditions seeseeeeseseeeeeeees 76 Sle Testimit rcs sancne onset tensa E E eta 76 3 2 Testing and measuring CQUIDMENK cc cceeeeeeeeee
22. al possibilities of the wheelchair Test method Visual evaluation Adhesion of coating Definition Purpose of test requirement Test method The quality of the adhesion of the coating In conformity with NEN 5337 NEN 5337 aggravated test using adhesive tape in conformity with the guidelines of the TNO paint division If one colour and one type of base material has been used per wheelchair a minimum of two tests are carried out on various parts If the coating has been applied to a number of base materials or if different coatings according to the manufacturer and or colours have been used these should be tested individually Adjustability of armrest height Definition Purpose of test requirement Test method The extent to which the armrest height is adjustable with respect to the elbow height of the user An adjustable armrest height is necessary for supporting the user s arms adequately especially when the user has to sit in the wheelchair for longer periods without making almost constant use of the handrims Visual and experimental evaluation Adjustability of sitting height Definition Purpose of test requirement Test method The extent to which the sitting height is adjustable in relation to the lower leg length of the user An adjustable sitting height is necessary to give an adequate level of support to the user s legs particularly if the wheelchair is used by one individual Visual and experime
23. ance determined for the ideal relationship is set at 20 mm to 20 mm A relationship is determined between the lower leg lengths and the upper leg lengths of the users The required dimensions for sitting height are derived from this Corrected lower leg lengths that most commonly occur in the general population are 390 560 mm A sitting height smaller than 390 20 370 mm and larger than 560 20 580 mm does not have much purpose Testing in conformity with ISO 7176 7 dimension 11 for free space under the footrests of 30 mm or the nearest higher value Sitting height for use outdoors BGQ 4 Definition The height available for supporting the lower legs and for supporting the feet The space available is determined by the configuration of the seat and the footrests Purpose of test The sitting height corresponds to the lower leg length of the requirement user in such a way that the feet and the upper legs are capable of being supported adequately The ideal relationship between the sitting height and the lower leg length is determined in the following fashion sitting height lower leg length The level of tolerance determined for the ideal relationship is set at 20 mm to 20 mm A relationship is determined between the lower leg lengths and the upper leg lengths of the users The required dimensions for sitting height are derived from this Corrected lower leg lengths that most commonly occur in the general population
24. ant The attendant is required to be able to reach the parking brake in order to operate it It is determined experimentally whether the parking brake can be reached and operated by an attendant when standing to the rear of the wheelchair Ease of operation of parking brake for user Definition Purpose of test requirement Test method The ease with which the parking brake can be reached or operated by the user Taking into consideration any possible poor balance in the trunk region it is not permissible for the user to bend down any further than the level of the thorax in order to operate the brake It is determined experimentally whether the user can reasonably reach and operate the parking brake from a sitting position in the wheelchair Ease of operation when stationary Definition Purpose of test requirement Test method Whether a control can be reached or controlled by the user with one hand whilst holding the steering controls with the other hand such as is possible when the scooter is at a standstill It is not permissible for the user to bend down any further than the level of the thorax in order to operate the buttons and switches The basis for the operating force is the pushing and pulling power that a 65 year old woman with a normal healthy working hand arm can summon at the height of the hip in conformity with Burandt 0 6 x 100 N It is determined experimentally whether the settings of the seat can
25. ariable sitting posture setting C 6 Definition The extent to which the buttons switches for varying the sitting posture are accessible and visible Purpose of test The user must be able to operate the control switch to set requirement the sitting posture to another position even for example from a reclining position Test method It is determined experimentally whether the operating switches for the variable sitting posture setting are accessible from all sitting positions visible and identifiable Accessories compare with Adaptation and Ancillary equipment Definition A non essential addition to the wheelchair to improve user comfort Activation of service brake for determining max deceleration CGQ21 Definition The way in which the service brake is operated Purpose of test The necessary response time for making an emergency requirement stop must be as short as possible Test method Experimental evaluation Adaptation compare with Accessories and Ancillary Equipment Definition An essential modification to the wheelchair to meet the individual requirements of the user Added value Definition Added value the extent to which the quality of the technical aid exceeds the normal level of adequacy Additional technical information Definition Information which is required to contain the technical specifications Purpose of test The cluster designation gives an objective verifiable requirement description of the function
26. at waist height which means that the elbows are angled at approx 95 100 The aforementioned values are based on the elbow height of a P5 woman heel height lower limit and of a P95 man heel height upper limit It is assumed that the wheelchair is pushed at elbow height waist height The height is measured from the floor to the mid point of the pushing handle to the centre of the horizontal push bar or to the vertical push bracket and to the highest point of the right hand part minus 50 mm half hand width Quality of bearings 7 6GQ3 8 4GQ19 Definition Purpose of test requirement Test method The quality of the bearings and the ball head Poor quality bearings will mean that extra energy will be expended in controlling the wheelchair Any dirt and dust that gets into open bearings will also lead to more difficult conditions of use Visual evaluation Quality of suspension points for support elements 7 1GQ2 8 4GQ20 Definition Purpose of test requirement Test method The technical quality of a part s point of attachment to the wheelchair Unsafe situations likely to be caused by unreliable suspension points should be avoided Experimental evaluation Quality of brake operating cable 7 2GQ1 8 2GQ1 Definition Purpose of test requirement Test method R Range of adjustability The influence of the operating cables on the functioning of the brake Any twists and or kinks in brake cables
27. ay have is 11 N For the test requirement a maximum value of 13 5 N has been selected for the time being See measuring forces Operating force of variable setting for VUh VT C 20 A B Definition Purpose of test requirement Test method The force which is necessary to activate the control device The basis for the operating force is the pushing and pulling force and the turning moment which a 65 year old woman with a normal healthy working hand arm can summon at the side of the body at waist height for a prolonged period Burandt 0 6 x 100N See measuring forces Operating force of variable setting for VUm C 21 A C 19 B Definition Purpose of test requirement Test method The force which is necessary to activate the control device According to Kodak the maximum resistance that a push button may have is 11 N For the test requirement a maximum value of 13 5 N has been selected for the time being See measuring forces Operation of freewheel setting 8 4GQ23 Definition Purpose of test requirement Test method The way in which freewheel setting is operated technically The freewheel setting is used when the wheelchair s motor has been switched off the current has been cut off but the wheelchair nevertheless needs to be moved Experimental evaluation Operation of seat elevation mechanism Definition Purpose of test requirement Test method The way in which the height of the seat can
28. be reached or operated without the user becoming thoracically detached from the backrest The operating force of any levers is measured with a dynamometer See measuring force Ease of operation whilst driving C 7 Definition Purpose of test requirement Test method Whether the controls can be reached or operated by the user with both hands held on the steering unit for example whilst the wheelchair is in motion Whilst the wheelchair is being driven it is not permissible for the user to bend down forwards any further than the level of the thorax in order to operate the aforementioned buttons and switches The basis for the operating force is the pushing and pulling power that a woman with a normal healthy working hand arm can summon at the height of the hip in conformity with Burandt 0 6 x 100 N It is determined experimentally whether the control buttons switches can be reached or operated without the user becoming thoracically detached from the backrest and with both hands supported on the steering control unit The operating force of any levers is measured with a dynamometer See measuring force Ease of operation way in which scooters can be reduced in size Definition Purpose of test requirement Test method The ease with which the scooter can be reduced in size by the user or the attendant for transport Reduction in size must be a simple one off process which does not take much time The attendant or user shou
29. be varied Because of the various activities that the user needs to carry out the adjustment is required to be possible at all times The majority of users will be able to make the adjustment by hand Visual and experimental evaluation Operation of seat rotation mechanism Definition Purpose of test requirement Test method The way in which the seat rotation can be varied Because of the various activities that the user needs to carry out the adjustment is required to be possible at all times The majority of users will be able to make the adjustment by hand Visual evaluation Outdoor see also Area of use outdoor Definition The wheelchair is used outdoors For electrically powered wheelchairs this means that specific requirements are laid down in the standards In addition to outdoor there are other categories i e indoor and indoor outdoor for which specific requirements are made Overall wheelchair Definition Purpose of test requirement Test method P The requirements with respect to functionality in the general sense The examples are based on experiences of testing wheelchairs Visual and experimental evaluation Position of anti tipping device Definition Purpose of test requirement Test method The way in which the anti tipping device is attached in connection with negotiation of curbs In conformity with EN 12183 2 120 mm the wheelchair is tipped backwards until it is checked I
30. brake Definition Purpose of test requirement Test method A brake blocking system with which a wheelchair engaged in its freewheel setting can be brought to a stationary position in all situations by the user Without a freewheel brake it is not possible for the wheelchair to be brought to a stationary position in all situations Visual and experimental evaluation Functioning of freewheel setting Definition Purpose of test requirement Test method The way in which the freewheel setting works The freewheel setting is used when the wheelchair s motor has been switched off the power supply has been cut off and the wheelchair has to be moved Experimental evaluation G Ground clearance requirement A 2 10 area of use indoor outdoor Definition Purpose of test requirement Test method Remark The free space between the ground and the underside of the electrically powered wheelchair with the exception of the wheels and the axle unit The channels on vehicle access ramps usually have a rim height of approx 50 mm This should not present any problems for electrically powered wheelchairs with a ground clearance of 70 mm EN 12184 specifies an upper limit of 60 mm A measurement is taken of the smallest distance between the floor and the scooter wheelchair between the front wheel s and the rear wheels The seat is loaded with a weighted dummy for the measurement The lowest value is recorded The measure
31. can be reduced in size by the user The criteria are therefore based on the functional capacities of the user assuming that whatever the case reduction in width can also be carried out by the attendant Reduction in width T G reduction in width is carried out by the attendant The criteria are therefore based on the functional capacities of the attendant This does not mean that reduction in width cannot be carried out by the user in some cases The armrest and the legrests and the seat and or back cushions are removed after which the remaining frame is reduced in width This must be performed without the use of tools The removal of wheels although this will lead to a smaller width do not constitute a reduction in width but is categorised as disassembly Reliability of frame construction 7 1GQ1 8 1GQ1 Definition Purpose of test requirement Test method The extent to which the construction meets with a generally accepted level of quality Any level of tolerance in the hinged parts will cause little inconvenience for the user However what is inconvenient is the excessive level of tolerance in the fittings for the variable sitting posture setting such as for the backrest Visual and experimental evaluation Particular attention will be paid to any apparently inferior parts of the construction excessive level of tolerance poor or poorly finished welding etc Reliability of steering controls 8 4GQ21 8 4GQ22
32. can result in more difficult operation and increases wear and tear on the cable Visual evaluation See Angle adjustable Reduction in height Definition Test method Reduction in width Definition Test method Reduction in height is defined as the lowering of the frame so that the total height of the wheelchair can be reduced For clarification for scooters the removal of the seat is not considered to be a reduction in height but as disassembly Reduction in height G means that the wheelchair can be reduced in size by the user The criteria are therefore based on the functional capacities of the user assuming that whatever the case reduction in height can also be carried out by the attendant reduction in height T G reduction in height is carried out by the attendant The criteria are therefore based on the functional capacities of the attendant This does not mean that reduction in height cannot be carried out by the user in some cases The armrest and the legrests and the seat and or back cushions are removed if this is necessary in order to reduce the height of the wheelchair after which the remaining frame is reduced in height by folding inwards or outwards those parts of the frame that reduce its height This must be performed without the use of tools Reduction in height is defined as the narrowing of the frame so that the total width of the wheelchair can be reduced Reduction in width G means that the wheelchair
33. chair after having been reduced in size The standard car is taken to be the 1991 GMD model car for group 5 the Nissan Micra The criteria have been adapted on the basis of current availability The arm and legrests as well as any seat and backrest cushions are removed from the wheelchair after which the remaining frame is reduced in size This must be done without the use of any tools The length width and height of the largest remaining part are measured Removal of the wheels despite narrowing the width of the wheelchair is not included in the term reduce in size but falls under the concept of disassembly Sometimes the backrest is first removed e g in the case of a fixed backrest cushion The wheelchair is then evaluated on its capacity to be reduced in size Dimensions of largest part I x w x h when taken by the user or attendant behind a car seat in car boot req 6 7GQ4 for hand propelled wheelchairs Definition Purpose of test requirement Test method Remark The dimensions I x w x h of the largest part of the wheelchair for transport after it has been reduced in size This requirement is based on the space which is available in a car boot or behind a car seat for positioning a wheelchair which has been reduced in size by the attendant The standard car is taken to be the 1991 GMD model car for group 5 the Nissan Micra The arm and legrests as well as any seat and backrest cushions are removed f
34. chair for the purpose of reducing the size of the wheelchair for transportation are weighed separately The weight of the heaviest part is recorded Maximum obstacle forwards requirement 8 4 1 1 area of use indoor Definition The maximum obstacle which can be negotiated by an electrically powered wheelchair in a forward direction Purpose of test In general door sills are the highest obstacles which occur requirement in the home The Accessibility Manual assumes that door sills have a maximum height of 20 mm In actual fact it possible for door sills to be higher than this e g from the house into the garden but these are not quite high enough to render a ramp or plank necessary EN 12184 specifies 15 mm however this is too low Test method Testing in conformity with ISO 7176 10 Maximum obstacle forwards requirement 8 4 1 2 area of use indoor outdoor Definition The maximum obstacle which can be negotiated by an electrically powered wheelchair in a forward direction Purpose of test On the basis of test results amongst wheelchairs available requirement it has been determined that electrically powered wheelchairs for indoor outdoor use should be able to negotiate an obstacle of 60 mm in a forward direction Obstacles of such magnitude will only occur outdoors and shop door sills EN 12184 specifies 50 mm as the requirement Maximum speed downhill Definition The maximum downhill speed that a wheelchair can attain Purp
35. d The measurement is carried out with the wheelchair in the forward position Maximum unevenness requirement 8 4GQ8 area of use outdoor Definition Purpose of test requirement Test method Measurement of force Test method Measuring device Definition The unevenness which the wheelchair with one wheel can negotiate without any of the other wheels coming off the ground An electrically powered wheelchair specifically intended for outdoor use must be able to negotiate obstacles and pot holes of 5 cm which occur regularly outdoors One castor wheel is raised at increments of 10 mm and a measurement is taken of the moment at which the second wheel is raised from the ground The measurement is carried out with the wheelchair in the forward position When testing the dynamometer is required to be positioned parallel to the direction of operation and on the middle of the push button or if no button is present ata distance of 2 5 cm from the end of the operating lever The maximum ensuing operating force is measured and recorded with the force being increased as slowly as possible The test is carried out three times The lowest value of the 3 is regarded as being the approval value The operating force of turning knobs are measured using a torque meter Using an aid the torque meter is positioned concentrically on the knob using an aid The maximum ensuing operating force is measured and recorded with the force being inc
36. deal relationship is set at 70 mm to 20 mm A sitting depth smaller than 425 120 305 mm and larger than 595 30 565 mm does not have much purpose Size x indicates a possible restriction in the available sitting depth when calf supports are present The max upper leg length for which a seat depth is suitable is determined by a maximum of 120 mm space between the seat and the back of the knees The min upper leg length for which a seat depth is suitable is influenced negatively by an x value gt 0 Where x 50 mm the sitting depth is only usable for 40 of the population of users for commonly occurring upper leg lengths Testing in conformity with ISO 7176 7 dimension 2 Where calf supports are present the LRP is determined along the calf support Size x is therefore the distance between a line that dissects LRP SRP and the front edge of the seat measured along the SRP see figure 19 figure 13 Sitting depth size X When calf supports are present the LRP is determined along the length of the calf support In this case size x is determined This size is important for determining the eventual area of operation of the sitting depth Sitting height for scooters BGQ6 Definition Purpose of test requirement Test method The height available for supporting the lower legs and for supporting the feet The space available is determined by the configuration of the seat and the footrests The sitting height corresponds t
37. e control panel operable by the user using one and the same hand when sitting in the wheelchair The buttons switches are required to be fitted with an identifiable indication of their function Test method Visual evaluation Proportions of dimensions Definition The size ratios of the dimensions of the support elements of one wheelchair Propulsion steering electrical propulsion and electronic steering Definition Propulsion is carried out electrically steering electronically by separa tely controlling the propulsi on coupling unit coupling steering of the motors on the drive wheels Propulsion steering electrical propulsion mechanical steering Definition Propulsion is carried out with the aid of an electro motor the steering is controlled by means of mechanical transmission without any electrical power assistance Propulsion steering non power assisted steering Definition Propulsion and steering are carried out by means of pushing by an attendant Propulsion steering power assisted pushing Definition The pushing force required by the attendant is substituted or supplemented by an electrically powered motor The attendant operates the steering mechanically as well as the speed Propulsion steering two sided front handrim centre or rear Definition Propulsion and steering using both hands without any transmission mechanism In practice this means a handrim fixed to the drive wheel with three possible posit
38. e or not of lighting on an electrically powered wheelchair or scooter Purpose of test For wheelchairs for outdoor use which use cycleways or requirement the public highway the same rules apply as for bicycles and mopeds Test method Visual evaluation Presence of lighting connections Definition The presence or not of connections for lighting on an electrically powered wheelchair or scooter Purpose of test If the user wishes or needs to use the wheelchair on a requirement cycleway or the public highway lighting equipment should be easy to attach Test method Visual evaluation Presence of pushing handles Definition The presence of a handgrip or handgrips protruding parts which enable the attendant to take hold of and push and steer the wheelchair Purpose of test A good means of pushing is essential for the attendant requirement Test method Visual evaluation Presence of rear reflector Definition The presence or not of a rear reflector Purpose of test In conformity with the Road Traffic Act of 1994 WVW requirement which assumes that electrically powered wheelchairs for outdoor use will be used on a cycleway or on the public highway Test method Visual evaluation Presence of steering control panel Definition The identifiability of specific wheelchairs functions for the user Purpose of test From an ergonomic point of view the aforementioned requirement operating switches are all required to be present on th
39. e sitting posture can hardly or cannot be adjusted as a result of the mechanical functioning the wheelchair is rejected Experimental evaluation Mechanical functioning of variable setting for a C 26 Definition Purpose of test requirement Test method The extent to which the sitting posture can be varied If the sitting posture can hardly or cannot be adjusted as a result of the mechanical functioning the wheelchair is rejected Experimental evaluation Minimum negotiable slope in neutral sitting posture requirement 8 4GQ10 area of use indoor indoor and outdoor Definition Purpose of test requirement Test method The slope which the electrically powered wheelchair must be able to negotiate without any unacceptable loss of speed For electrically powered wheelchairs scooters also used for outdoor purposes gradients of 1 6 9 5 are assumed These slopes occur for example on the public highway such as on approaches to bridges The angle of the slope on which the wheelchair scooter when loaded with a dummy with the joystick fully extended can still maintain a speed of v 0 5 m p s For practical reasons the slope must be measured up to a maximum of 15 A slope of more than 15 is considered to be unsafe in connection with the stability Minimum negotiable slope in neutral sitting posture requirement 8 4GQ9 area of use indoor Definition Purpose of test requirement Test method The slope whic
40. e wheelchair until the direction of the wheelchair the subsequent position of the castor wheels has turned through 180 The test is required to be carried out 3 times The lowest recorded value is multiplied by the factor a h radius of the drive wheel divided by the vertical distance from the top of the handrim to the ground The outcome of this is considered to be the approval value and needs to be checked with the testing requirement Manoeuvrability requirement 7 5GQ3 self propelling active self propelling Definition Purpose of test requirement Test method The extent to which it is possible to carry out small movements of the wheelchair in any given direction in a controllable and fluent fashion in conformity with the commands of the user or attendant A measurement is taken of the force required to turn the wheelchair by the handrims through the mid point of its turning radius and to rotate it through 180 The force on the handrims lt 45 N is determined experimentally The manoeuvrability for self propelling wheelchairs is determined in two ways 1 By determining the force required to turn the wheelchair through the mid point of its turning radius rotation of the castor wheels in another direction of travel 2 By determining the force required to change the direction of travel of the wheelchair from a stationary position likewise rotation of the castor wheels in another direction of travel 1 Rotati
41. eeeeeeeeeeeeeeeeeaaeeeeeeeeeeeeneenaaeaees 76 3 3 Measuring conditions wheelcnall 404xi uno ae eae Ae nea ue is 76 34a GQNOR A actus ines iesiend rast arenas ties gash ion ea a 79 Si4le FUNGCIONAlACSTS 25a obs E E As ene ect oe se Son ahah Geek oon Seas E oe ca aa teehee ease eee 79 1 Introduction This section contains a list of definitions and terms which are used for the Homologation Directive R06 This publication renders all previous definitions obsolete As soon as a new version of the homologation directive is issued additional definitions if necessary will be included The terms clarified by means of a definition relate not only to the wheelchair but to the homologation directive as well The explanations which are given for the requirements have been expanded to include where necessary any figures and testing procedures The test methods are described according to the way in which the property in question is ascertained Terms are listed alphabetically Chapter 3 includes information on measuring equipment measuring conditions and extensive information on functional tests 2 Definitions A Accessibility and operability of the recharging connector C 3 Definition Purpose of test requirement Test method The way and the extent to which the battery recharging connector can be operated Assuming that a wheelchair user is unable to walk or finds difficulty in doing so the battery charger must be capable o
42. en after the backrest has been folded After the large wheels have been detached a more conveniently sized entity remains for placing on either the passenger seat or on the back seat by the user or in the car boot by the attendant depending on the size of the collapsed wheelchair Test method Experimental evaluation Leg room BGQ13 Definition Purpose of test requirement Test method Legrest Definition Purpose of test requirement Test method Legrest type Definition Length Definition Purpose of test requirement Test method The space available for stretching and supporting the legs on the plateau The size of 550 relates to the upper leg length If the leg room is any more constricted the lower leg will not be able to be positioned at an angle of gt 90 in relation to the upper leg For the scooter in its operational condition a measurement is taken of the horizontal distance in the forward direction from the MRP test reference point to the furthest position on the plateau on which the feet can be placed This position is determined by the furthest point of the plateau or the position at the furthest end of the plateau where it is 100 mm at its widest The presence of a support element on which the legs and the feet can be supported The user s legs and feet are required to be supported adequately Visual evaluation Legrests are categorised into the following five types type 1 fixed leng
43. esting in conformity with ISO 7176 7 dimension 1 See figure 1 Angle between the standing leg and the swivelling leg Angle A CGQ6 Definition Purpose of test requirement Test method Anti tipping device Definition Arm support Definition The angle that is made between the leg positioned on the ground and the leg in motion when walking behind the wheelchair When evaluated experimentally this appeared to be the smallest angle necessary on order to be able to manoeuvre the wheelchair The sitting posture is adjusted to its neutral setting An attempt is then made to test whether the shape below fits behind the wheelchair where plane A is positioned against the extremity of the pushing handles or against the pushing bracket If the anti tipping device can be removed by the attendant without any tools and without the user having to vacate the wheelchair this should be removed If the anti tipping device can be adjusted the most centrally positioned setting should be assumed See figure 2 900 A a figure 2 Angle between the standing leg and the swivelling leg Angle A A device fitted to the rear of the wheelchair to stop the wheelchair tipping over backwards The upper part of the armrest on which the arm is supported Apparent 5GQ1 6GQ1 Definition Area of use Definition Clear to see obvious striking The area in which the user wishes to use the wheelchair A distinction is made b
44. etween area of use indoors area of use indoors outdoors area of use outdoors Area of use indoors Definition The area inside and directly around the house garden patio This includes the adapted in conformity with the Accessibility Manual as well as the non adapted environment home work leisure and the situation in health care institutions old aged persons homes nursing Clinics hospitals etc Area of use indoors outdoors Definition The indoor area of use See definition for indoors and the outdoor area of use covers a radius of 5 km from the home and in adapted environments such as public buildings supermarkets department stores etc The emphasis is on domestic activities as well as outdoor activities such as shopping posting a letter short walks and access to the aforementioned buildings Area of use outdoors Definition Armrest Definition Purpose of test requirement Test method Armrest type Definition The outdoor area of use covers a range of 15 km from the home The emphasis on excursions on tarmacked surfaces commuting to work school going to the hospital etc Access to public buildings supermarkets department stores etc is of lesser importance The presence of a support element on which the arm can be supported The user s arms are required to be supported adequately Visual evaluation Armrests are categorised into 6 types Type 1 fixed height NA Type
45. f being connected disconnected from the wheelchair without actions that are complicated dangerous in the case of poor trunk balance and bending over to far forwards or even impossible in the case of having to stand up and this not being possible With regard to scooters it is assumed that in general their users are able to walk in some way and have a reasonable level of balance in the trunk However they must be able to reach the recharging connector without having to bend over too far As far as the operating force is concerned a normal healthy working arm hand push and pull which a 65 year old woman can summon from hip height is assumed in conformity with Burandt It is determined experimentally from a sitting position in the wheelchair whether the recharging connector is accessible and operable in conformity with the requirements If a substantial amount of operating force is required this is measured using a dynamometer See measuring forces The height is measured in relation to the floor Accessibility by attendant T of locking release mechanism for armrests legrests C 24 Definition Purpose of test requirement Test method The extent to which the locking release mechanism of the armrests legrests are accessible by the attendant These controls are required to be at least within the reach of the attendant Experimental evaluation Accessibility by user U of locking release mechanism for armrests legrests
46. for the purposes of visibility in traffic Purpose of test In conformity with the Road Traffic Act of 1994 WVW requirement specified in clauses and EN 12184 Conform WVW 1994 Test method Visual evaluation Design of mirrors Definition The way in which the mirrors are designed Purpose of test Requirements for mirrors from the Road Traffic Act of 1994 requirement WVW and EN 12184 Test method Visual and experimental evaluation Design of retro reflective devices Definition The way in which retro reflective devices are designed for purposes of visibility in traffic Purpose of test In conformity with the Road Traffic Act of 1994 WVW requirement specified in clauses and EN 12184 Test method Visual evaluation Design of variable setting for angle Definition The way in which the variable tilt mechanism is designed Purpose of test For electrically powered wheelchairs with a tilt in space requirement seat a tilt mechanism with two settings is deemed to be inadequate more setting are required Test method Experimental evaluation Diameter of smallest wheel Definition The diameter of the smallest wheel of the wheelchair Purpose of test The basis for this is the ratio between the radius r and the requirement height of the obstacle h r 3h The criterion of diameter 90 mm is based on a realistic obstacle height indoors of 15 mm Test method A measurement is made of the diameter of the tyre outside dimens
47. g permanently fitted and not be rendered unusable as a result of dirt and damp Test method Experimental and visual evaluation It is determined whether the adapter valve can remain connected to the valve when the wheelchair is in use whether it has an integral valve and can be closed off in order to prevent any dirt from entering in order to prevent any dirt It is determined whether an suitable pump can be supplied for the valve Inscription and or symbols on switches and equipment 10 3GQ1 Definition Inscription a short text to signify the purpose of the switch and or item of equipment Symbol an icon to signify the purpose of the switch or item and or the equipment Purpose of test The purpose for which the switches and the equipment are requirement used should be clear to see or it should be possible to deduce the purpose of the switch or equipment Test method Visual and tactile evaluation Remark Switch all switches that the user has at his or her disposal to operate the wheelchair functions Equipment the reset fuse the other fuse holders or fuse box and the operating lever on the motor decoupling unit L Large wheels detachable 6 7GQ2 Definition The detachability or not of the large wheels of a wheelchair without requiring tools Purpose of test For wheelchairs with a fixed frame after removal of the requirement armrests and legrests a relatively bulky and inconvenient entity remains for transport purposes ev
48. gs is the single adjustment for and a where a VT adjustment is also permitted If the wheelchair is adjusted once only to a specific ideal a setting a choice can be made between either of these two settings Visual and experimental evaluation Unobstructed rotation of wheels Definition Purpose of test requirement Test method User Definition The danger of the wheels coming into contact with other parts of the wheelchair Rubbing on wheels causes extra wear and tear and increases resistance to the motion of the wheelchair Visual evaluation The user is defined as the person who sits in the wheelchair User manual for battery charger Definition Purpose of test requirement Test method Information which is required to be included in the user manual This additional information is required to be available to the end user so that use can be optimised Visual evaluation User manual for electrically powered wheelchairs Definition Purpose of test requirement Test method Information which is required to be included in the user manual This additional information is required to be available to the end user so that use can be optimised Visual evaluation User manual for hand propelled wheelchairs Definition Purpose of test requirement Test method Information which is required to be included in the user manual This additional information is required to be available to the end user so tha
49. h the electrically powered wheelchair must be able to negotiate without any unacceptable loss of speed The Accessibility Manual assumes a gradient of 1 10 5 7 The electrically powered wheelchair for indoor use must be able to negotiate this slope The angle of the slope on which the wheelchair scooter when loaded with a dummy with the joystick fully extended can still maintain a speed of v 0 5 m p s For practical reasons the slope must be measured up to a maximum of 15 A slope of more than 15 is considered to be unsafe in connection with the stability Minimum seat height in highest position Definition Purpose of test requirement Test method Distance between the upper side of the seat and the floor when the seat is set to its highest position The ideal height is one which a standing person can reach A minimum seat height of 770 mm from the floor is based on the leg length of a P50 woman The weighted dummy is positioned in the wheelchair A measurement of the distance from the upper side of the seat to the floor is taken Moisture resistance of control panel Definition Purpose of test requirement Test method Remark The extent to which the control panel is resistant to moisture In the event of temperature fluctuations any moisture in the control panel will lead to condensation This may not occur to such an extent that the display panel is no longer legible It is determined whether the manufac
50. he manoeuvrability of push chairs as well as self propelling wheelchairs with handrims is determined in two ways 1 By determining the force required to turn the wheelchair through the mid point of its turning radius rotation of the castor wheels in another direction of travel 2 By determining the force required to change the direction of travel of the wheelchair from a stationary position likewise rotation of the castor wheels in another direction of travel 1 Rotation through the turning radius 1 Rotation through the turning radius Wheel locked in positicn RE a Pushing handle I 90 i J ed figure 8 Rotation through the turning radius for push chairs Prior to testing the wheelchair is required to be set to the position illustrated in the drawing see figure 8 One of the wheels is also locked into position using the parking brake An increasing level of force F is then applied to the pushing handle on the opposite side to the locked wheel The gripping point is determined by drawing an imaginary line between the axle of the locked wheel and the centre of the opposite handle The force is applied perpendicularly to this line The maximum force which is attained is recorded when the wheelchair begins to turn on its axis and when the castor wheels are roughly parallel with the turning radius The test is required to be carried out 3 times The lowest recorded value is considered to be the approval value and need
51. he seat width side panels and armrests The sitting width corresponds to the user s hip width in such a way that the buttocks and the upper legs are capable of being supported adequately with a sufficient freedom of movement so that direct hand propulsion can easily be managed The ideal relationship between the sitting width and the hip width is determined in the following fashion sitting width A B hip width 40 mm The level of tolerance determined for the ideal relationship is set at 40 mm to 40 mm A relationship is determined between the hip width and the upper leg length of users The required dimensions for sitting width are derived from this Corrected hip widths that most commonly occur in the general population are 320 490 mm A sitting width smaller than 320 0 320 mm and larger than 490 80 570 mm does not have much purpose Testing in conformity with ISO 7176 7 dimension 3 seat width figure 14 and 15 Testing in conformity with ISO 7176 7 dimension 4 side panels figure 13 Testing in conformity with ISO 7176 7 dimension 21 armrests figure 3 Sitting width the lowest value of dim 3 40 mm dim 4 dimension 21 40 mm Testing is carried out in the basic neutral position functional width of cushion figure 14 Sitting width the seat width is the smallest width gt Tg z LI EITT me figure 15 Sitting width the width between armrests is the smallest Sitting width requirement BG
52. his dimension is the Road Traffic Act of 1994 WVW which stipulates a maximum width of 110 cm For passages of this width at least 15 cm of free side on either side remains This upper limit is also specified in EN 12184 Width between pushing handles CGQ4 Definition Purpose of test requirement Test method The width between the pushing handles or the handgrips or the length of the push bar The basis for this dimension is the width between the shoulders of a P5 woman 35 cm with a margin of 50 mm and the width between the shoulders of a shoulders of a P95 man 50 cm with a margin of 50 mm In the case of pushing handles incl push bar with handgrips centre to centre distance between the pushing handles is measured Push bar without handgrips the distance is the longest straight part minus 100 mm 2 times the size of half a hand width Width between tipping device CGQ5 Definition Purpose of test requirement Test method The free space available for walking between the tipping device The basis for this dimension is the hip width of a P50 woman 365 mm The smallest distance between the tipping device is measured Width of tipping device CGQ13 A B Definition Purpose of test requirement Test method Working condition Definition The width of the tipping device on which the foot is supported in the event of tipping The basis for this dimension is the shoe width of a P50 man u
53. ht of thoracic part 60 mm The level of tolerance determined for the ideal relationship is set at 20 mm to 20 mm The backrest height must be suitable for thoracic heights that occur in the general population The corrected thoracic heights that occur in the general population are 400 520 mm A backrest height smaller than 400 80 320 mm and larger than 520 40 480 mm does not have much purpose Testing in conformity with ISO 7176 7 dimension 7 Measurements are taken in the neutral position It is determined whether the backrest has an apparently nonsensical profile Backrest height requirement GQ10 A Definition Purpose of test requirement Test method Remark The length which is available for supporting the back The available space is determined by the configuration of the seat and backrest and the length and shape of the backrest The support is designed in such a way that the back can be reasonably supported and that the shoulder blades are free To this end the backrest height matches the height of the thoracic part of the user s back The ideal relationship between backrest height A and the height of the thoracic part of the back is expressed as Backrest height A height of thoracic part 10mm The level of tolerance determined for the ideal relationship is determined as 30 mm to 50 mm No relationship has been determined for distance between the height of the thoracic part and the upper leg
54. ide of the electrically powered wheelchair at the level of the axle construction adjacent to the wheels This requirement is related to the thickness of a paving stone which may protrude above the level of the pavement This requirement stipulates that an electrically powered wheelchair must be able to negotiate vehicle access ramps with a rim height of approx 50 mm A measurement is taken of the smallest distance between the ground and the underside adjacent to the wheel s in the direction of the axle wheels in forward position where a measurement is taken in an area that is determined in one direction by placing an angle of 30 against the wheel in the other direction by the width of part of the wheel protruding under the base The seat is loaded with a weighted dummy for the test The lowest value is recorded Testing is performed in conformity with figure 12 In EN 12184 a combination of ground clearance and obstacle height obstacle height measuring area measuring area figure 12 Obstacle height Obstacle height requirement A 2 13 area of use outdoors Definition The clearance between the ground and the underside of the electrically powered wheelchair at the level of the axle construction adjacent to the wheels Purpose of test Electrically powered wheelchair for outdoor use can attain requirement the same speeds as cyclists on a cycleway or on the road The requirement is related to the thickness of a paving bloc
55. idelines Mandatory It is determined whether the battery charger meets the low voltage guidelines The presence of a support element on which the lower leg can rest For tilt in space sitting postures the lower legs of the user are required to be capable of being adequately supported Visual evaluation Lumbar region detached from the backrest C 28 A B Definition This means that when carrying out an operation in the wheelchair the user is detached from the backrest as far as the lumbar point about 2 3 of the back detached from the backrest Manoeuvrability requirement 7 5GQ1 8 4GQ2 pushing handles Definition Purpose of test requirement Test method The extent to which it is possible to carry out small movements of the wheelchair in any given direction in a controllable and fluent fashion in conformity with the commands of the user or attendant In order to determine the level of manoeuvrability a measurement is taken of the force that is necessary on the pushing handles to turn the wheelchair through the mid point of its turning radius and for changing direction of the wheelchair through 180 The upper limit is based the fact that that a woman of 65 years is able to exert reaction force of 175 N with her arms by simply bending forwards at an angle of 30 and being able to maintain her balance The upper and lower limits are determined experimentally following modification of the test method T
56. ion of the smallest wheel Dimension x See Sitting depth Dimensions Definition The dimensions relate to the sitting dimensions and the adjustment possibilities with respect to the wheelchair s body support unit Dimensions of largest part I x w x h when taken by user on or behind car seat Definition Purpose of test requirement Test method The dimensions I x w x h of the largest part of the wheelchair for transport after it has been reduced in size These dimensions are the maximum dimensions which the wheelchair must have to fit either on the passenger s seat rear seat or in the car boot without the rear seat having to be folded down The dimensions are derived from the 1991GMD model car for group 5 the Nissan Micra The arm and legrests as well as any seat and backrest cushions are removed from the wheelchair after which the remaining frame is reduced in size This must be done without the use of any tools The length width and height of the largest remaining part are measured Dimensions of largest part I x w x h when taken by the user or attendant behind a car seat in a car boot req 7 7GQ4 for electrically powered wheelchairs Definition Purpose of test requirement Test method Remark The dimensions I x w x h of the largest part of the wheelchair for transport after it has been reduced in size This requirement is based on the space available in a car boot in which the attendant can position a wheel
57. ions in relation to the frame to the front in the centre or to the rear Protection device for hand operated electronic controls Definition Purpose of test The extent to which the hand operated electronic control requirement unit is protected against unintentional movements of the wheelchair Purpose of test This requirement is based on experience of safety aspects requirement Test method It is determined whether the hand operated electronic control unit can be unintentionally activated when approaching a table or adjusting the sitting posture whilst the control unit is positioned under a flat tabletop Pushing force 7 5 1 1 Definition The force which is necessary to set and maintain the wheelchair in motion Purpose of test The test requirement is based on the test results for the requirement pushing force of active wheelchairs The basis for this is that pushing force in this case driving force must be as low as possible so that the wheelchair can move the wheelchair with a minimum of effort Test method In conformity with EN 12183 7 5 2 Pushing handle height C 1 Definition Purpose of test requirement Test method Q The distance between the ground and the pushing handle or push bar or bracket In conformity with EN 12183 and EN 12184 The correct pushing handle height for the attendant means that the wheelchair is pushed with a straight back and relaxed shoulders The force exerted by the hands is
58. ircle made by the extremity of the wheelchair when turned The turning space is the distance within which a wheelchair can reverse by reversing once only for example between two parallel walls The requirement for turning radius is in conformity with EN 12184 The Accessibility Manual assumes a outer space of 2000 mm The requirement for turning space is based on this Measurement in conformity with ISO 7176 5 Turning radius rotation of seat Definition Purpose of test requirement Test method The space that is necessary to rotate the seating unit ona vertical axis around the carrier The turning radius of the seat may not be any greater than the turning radius of the complete product The seat will be rotated in situations where the wheelchair is used between e g a kitchen worktop and the kitchen table The upper limit is determined experimentally A measurement is taken of the projection of the turning radius on the floor within which the whole seat can rotate Type of backrest Definition The way in which the backrest is designed rigid or non rigid Purpose of test For electrically powered wheelchairs with a tilt in space requirement seat and for scooters a rigid support is required Test method Visual evaluation The following designated types apply Type 1 upholstered Type 2 anatomically shaped Type 3 non rigid Type 4 detachable Type 5 foldable Type 6 stretch adjustable Type 7 height adjustable
59. k which may protrude above the road surface Test method A measurement is taken of the smallest distance between the ground and the underside adjacent to the wheel s in the direction of the axle wheels in forward position where a measurement is taken in an area that is determined in one direction by placing an angle of 30 against the wheel in the other direction by the width of part of the wheel protruding under the base The seat is loaded with a weighted dummy for the test The lowest value is recorded Testing is performed in conformity with figure 12 Remark In EN 12184 a combination of ground clearance and obstacle height Operability of angle by attendant T Definition The way in which the tilt in space angle is varied Purpose of test Possible situations may arise e g in the case of mentally requirement disabled users where the sitting posture cannot be varied by the user but by the attendant Test method Visual evaluation Operability of angle by user U Definition The way in which the tilt in space angle is varied Purpose of test Apart from in a few exceptional circumstances the user requirement him or herself must be able to operate the variable sitting posture setting Test method Visual evaluation Operating force for brake lever 7 2GQ3 Definition The force which is necessary to activate the control device Purpose of test In conformity with EN 12184 60 N is the force which a 60 requirement year
60. l evaluation Power assisted variability at all times by user VUm Definition See Variability operability Presence of adjustment facility for seat unit in relation to wheelbase Definition Purpose of test requirement Test method The presence of an adjustment facility for the seat unit in relation to the wheelchair s wheelbase With the aid of the adjustment facility for the seat unit in relation to the wheelbase it is possible to optimise the correlation between the user s centre of gravity and his her driving ability It is determined whether the large wheels can be repositioned horizontally in relation to the occupant s centre of gravity the area immediately in front of the backrest Presence of direct mechanical steering Definition Purpose of test requirement Test method The presence of steering controls operated by means of a mechanical transmission on the front wheels without electrical power assistance For testing an electrically powered scooter with direct mechanical steering is assumed Visual evaluation Presence of direction indicators Definition Purpose of test requirement Test method The presence or not of direction indicators Direction indicators are essential for electrically powered wheelchairs and scooter for use outdoors since the vehicle can be used on the public highway and the user is often unable to indicate the direction of travel using the hand or arm Visual evaluatio
61. ld not be expected to have to use any excessive force other than necessary when standing next to the car boot space Experimental evaluation Ease of operation way in which wheelchair can be reduced in size by attendant T C 14 C 16 Definition Purpose of test requirement Test method The ease with which the wheelchair can be reduced in size by the attendant for transport Reduction in size must be a simple one off process which does not take much time The attendant should not be expected to have to use any excessive force other than necessary when standing next to the car boot space Experimental evaluation Ease of operation way in which wheelchair can be reduced in size by user U C 15 C 16 Definition Purpose of test requirement Test method The ease with which the wheelchair can be reduced in size by the user for transport Reduction in size must be a simple one off process which does not take much time In addition the user must be able to do this from a sitting position in the wheelchair Experimental evaluation Emergency stop function Definition Purpose of test requirement Test method A switch or auxiliary switch which enables the wheelchair to come to a standstill in the event of unexpected dangers occurring in conformity with NEN 1010 2003 28 4 Emergency stop on off switch intended to prevent a manoeuvre which is hazardous In relation to operations in emergency situations NEN 1010
62. length of the user The backrest height must be suitable for the height of the thoracic parts of the back that occur in the general population Those that occur in the general population are 400 520 mm A backrest height smaller than 400 40 360 mm and larger than 520 40 560 mm does not have much purpose Testing in conformity with ISO 7176 7 dimension 7 Measurements are taken in the neutral position It is determined whether the backrest has an apparently nonsensical profile Basic neutral position Definition The basic neutral position is the position in which the wheelchair is set for testing procedures in conformity with the testing conditions as defined in the homologation directive Battery charger safety device 6GQ3 Definition A guarantee that a secure electrical safety device is incorporated in the battery charger Purpose of test KEMA uses internal ISO standards and associated requirement measurements which guarantee a secure degree of protection For this reason class 2 insulation is required If the battery charger has been provided with an approval mark this is a guarantee that the safety requirement has been met Test method Visual evaluation Battery cover 7 8GQ1 Definition A cover which protects batteries against damp and dirt Purpose of test Proper protection means less maintenance and a reduction requirement in susceptibility to interference Test method Visual evaluation Body parts required
63. luded in EN 12183 and 12184 the here mentioned test methods and conditions for operating force have to be used Handles The operating force of handles is measured by means of a dynamometer During the measurement the dynamometer should be placed parallel to the operating direction and on the heart of the control knob or if no knob is present at 2 5 cm from the tip of the control handle With the use of an as slowly as possible increasing force the maximum occurring operating force and the result is recorded in the test report This measurement is to be made three times The lowest measuring value of these three measurements is taken as the test value Knobs The operating force of turning knobs is measured with the use of a momentmeter The momentmeter is placed concentrically on the turning knob with the use of an attachment During an increasing moment the maximum occurring operating moment is measured and the result is recorded in a test report The measurement is to be made three times The lowest value of these 3 measurements is considered the test value Transfer height sideward Transfer height sideward in the largest occurring difference in height between a part of the wheelchair projecting from the top and the side of the wheelchair seat after the wheelchair has been placed in a transfer situation except for the drive wheels and possible fixed splashboard The transfer height is measured at right angles from the seat
64. ment is carried out according to figure 1 In EN 12184 this is a combination of ground clearance and obstacle height Ground clearance requirement A 2 11 area of use outdoor Definition Purpose of test requirement Test method Remark The free space between the ground and the underside of the electrically powered wheelchair with the exception of the wheels and the axle unit The requirement is equivalent to the maximum obstacle that an electrically powered wheelchair must be able to negotiate indoors The upper limit is also specified in EN 12184 A measurement is taken of the smallest distance between the floor and the scooter wheelchair between the front wheel s and the rear wheels The seat is loaded with a weighted dummy for the measurement The lowest value is recorded The measurement is carried out according to figure 6 In EN 12184 this is a combination of ground clearance and obstacle height Ground clearance requirement A 2 8 area of use indoor Definition The free space between the ground and the underside of the electrically powered wheelchair with the exception of the wheels and the axle unit Purpose of test The requirement is equivalent to the maximum obstacle requirement that an electrically powered wheelchair must be able to negotiate indoors The upper limit is also specified in EN 12184 Test method A measurement is taken of the smallest distance between the floor and the scooter wheelchair be
65. mes by the user in relation to the ground the seat has to be placed in the lowest position for the neutral basic position For measuring the dynamic stability the seat must be placed 1 in the highest and most rear travelling position 2 in the highest and most rear travelling position at which position the speed has no declined yet The worst situation is applicable Before a wheelchair is tested against the requirements the activities mentioned below are performed general technical inspection expert s evaluation reading the manual or instruction booklet charging the batteries of electric wheelchairs and scooters Measuring room If the wheelchair is to be tested against the requirements mentioned in this test interaction it should be performed in such a way as to correspond with the test conditions for EN 12184 and the ISO 7176 series unless stated otherwise with respect to the measurement concerned Unless stated otherwise for the measurement concerned measuring takes place on the following surface for rolling tests with electric wheelchairs and scooters in neutral situation surface according to ISO 7176 13 for rolling tests with manually propelled wheelchairs e g track stability pushing force and electric wheelchairs and scooters e g velocity power consumption brake deceleration max obstacle rigid flat surface for measuring on the gradient and sloping board e g static stability dynamic s
66. must be adequately held in a secure position on a maximum negotiable slope when the parking brake automatic brake is engaged A measurement up to a maximum of 15 is taken of the slope on which the wheelchair remains stationary when held in a secure position by the parking brake automatic brake Measurements are taken uphill as well as downhill Horizontal pulling force on the pushing handles CGQ9 A B Definition Purpose of test requirement Test method The maximum horizontal pulling force required on the pushing handles in order to be able to tip the wheelchair when loaded with a weighted dummy with one foot supported at the same time on the tipping device The force which a P5 woman of 65 years or older is able to exert in the following position with her weight suspended over the pushing handles at an angle of 30 with the body in a straight line One foot is positioned on the floor the other foot is positioned with the heel on the ground as a result of moderate trunk balance and with the front of the foot pushing on the tipping device The tipping device is blocked by a sloping surface 45 The horizontal force necessary to raise the castor wheels from the ground is measured in the middle of the pushing handles brackets See figure 7 Figure 7 Horizontal pulling force on the pushing handles Identifiability of battery charger Definition Purpose of test requirement Test method Easy identifiability of
67. n Presence of freewheel setting CGQ38 Definition Purpose of test requirement Test method The presence of a device to break the connection between the drive wheel and the motor so that the wheelchair can be pushed by an attendant In some situations it may be preferable to have the wheelchair moved by the attendant for example when the battery is empty or the wheelchair has been switched off Visual evaluation of its presence Presence of functions on the control panel Definition Purpose of test requirement Test method The presence of control switches on the control panel with which the various functions with respect to the wheelchair can be switched on and off regulated and or monitored From an ergonomic point of view the aforementioned control switches are required to be grouped together so that the wheelchair can be operated by the user using one and the same hand from a seated position An indication of the charging status is specified in EN 12184 The presence of the said control switches by means of a visual evaluation Presence of hand operated electronic controls CGQ2 Definition The presence of a hand operated control unit with which the user can control the wheelchair electronically Purpose of test For testing an electrically powered wheelchair with hand requirement operated controls joystick controls is assumed Test method Visual evaluation Presence of lighting Definition The presenc
68. nd the seat The armrest height corresponds to the elbow height of the user in relation to the seat The ideal relationship between armrest height B and elbow height is expressed as armrest height B elbow height The level of tolerance for the ideal relationship has been determined as 10 mm to 10 mm A relationship is determined for the distance between the elbow heights and the upper leg lengths of users The required relationship between the armrest height and the sitting depth is derived from this Corrected elbow heights that most commonly occur in the general population are 185 295 mm An armrest smaller than 185 10 175 mm and larger than 295 10 305 mm does not have much purpose Testing in conformity with ISO 7176 7 dimension 16 Testing is carried out in the basic neutral position Attachment of anti tipping device Definition Purpose of test requirement Test method The extent to which the anti tipping device is able to resist incidental loads In conformity with EN 12183 and EN 12184 Experimental evaluation Attachment of steering control unit Definition Purpose of test requirement Test method The extent to which the steering control unit can resist rotation in relation to the directional control wheel at a specific force Determined experimentally The directional control wheel is clamped when pointing straight ahead A force of 200 N is applied to one end of the steering control u
69. nder the ball of the foot It is assumed that the foot will not slide off the tipping device or cut into the plane of the shoe with a minimum tipping device width of 20 mm flat e wy figure 18 width of tipping device A measurement is taken of the greatest width perpendicular to the wheelchair s direction of travel of the contact plane between a hard sole and the tipping device The wheelchair when fitted with tyres at the right tyre pressure assembled and adjusted in conformity with the specifications of the manufacturer or importer with the wheelchair in corresponding design form and in an adequate condition for the specific cluster 3 Measuring equipment and measuring conditions 3 1 Test limits The measuring accuracy is in accordance with the nature of the measured values When determining the test limits the measuring accuracy is taken into account 3 2 Testing and measuring equipment In addition to generally used measuring equipment for standard quantities such as angle power mass air pressure electric current and length the following specific appliances are used in this test instruction test plane as specified in SO7176 standard test plank length 1 2 m angle adjustable form 0 to gt 45 test obstacle from 40 to 120 2 mm adjustable in steps of 10 mm radius of obstacle s upper front edge 3 mm 1 mm 3 3 Measuring conditions wheelchair If a wheelchair is to be tested against the requi
70. nit An inspection is made as to whether the steering control unit has been wrenched out of position Attachment points on the wheelchair for attachment in other means of transport Definition Purpose of test requirement Test method Attendant T Definition Audible signal Definition Purpose of test requirement Test method The way in which the attachment points used to secure a user occupied wheelchair by means of a Wheelchair Tie down and Restraint system have been constructed Since various forms of locking systems can be used the attachment points used for this purpose are required to be clearly identifiable Visual evaluation The attendant is defined as the person who walks behind the wheelchair and carries out the VT adjustments for the user NB For evaluation purposes the anthropometry and the strength of a physically able 65 year old woman is used as a basis The presence of an audible signal to warn other residents or road users In conformity with EN 12184 supplemented by the requirements of the Road Traffic Act 1994 of 1994 WVW clause 5 11 71 Experimental evaluation B Backrest height requirement BGQ11 B Definition Purpose of test requirement Test method Remark The length which is available for supporting the back The available space is determined by the configuration of the seat and backrest and the length and shape of the backrest The support is designed in such a way
71. nition Purpose of test requirement Test method The extent to which it is possible to carry out small movements of the wheelchair in any given direction in a controllable and fluent fashion in conformity with the commands of the user or attendant In order to determine the level of manoeuvrability no objective test method has yet been drawn up However it is possible to determine the least acceptable situation experimentally Experimental evaluation Particular consideration is given to unsteady driving at low speeds and poorly controllable movements Marking of freewheel setting CGQ37 Definition Purpose of test requirement Test method Marking of tyres Definition Purpose of test requirement Test method The way in which the freewheel setting is constructed Only two freewheel positions are important 1 with freewheel mode engaged and 2 without freewheel mode engaged The possibility of unintentionally putting the freewheel setting into an intermediary mode causes confusion and can even be inconvenient when after a period of time the freewheel mode shifts to one of the two intended settings Visual and experimental evaluation The possibility that the material used for the tyres of the wheelchair is capable of leaving marks when driven and negotiated through the house Tyres that give off markings on the floor in the house are exceptionally inconvenient It is often no longer possible to remove these marks f
72. nnection with visibility in traffic In conformity with EN 12184 A measurement is taken of the height of the upper and lower sides of the direction indicators to the floor A measurement is taken of the distance between the sides of the direction indicators and the front and rear side of the wheelchair Position of electronics A4 2 2 Definition Purpose of test requirement Test method The position of the electronics on the wheelchair The less vulnerably the electronics are positioned the smaller the risk they will unintentionally come into contact with other parts of the wheelchair or with the surroundings thus causing possible malfunctioning The requirement is also specified in EN 12184 Visual evaluation Position of hand operated electronic controls Definition Purpose of test requirement Test method Position of lighting Definition Purpose of test requirement Test method The distance from the hand operated electronic control joystick to the test reference point The wheelchair user must be able to operate the joystick with his or her back against the backrest and with the forearm supported on the armrest The elbow gripping length of a P50 woman and a P95 man is assumed taking into account that the arm cannot be fully stretched given that it is supported on the armrest A measurement is taken of the horizontal distance between the centre line of the joystick and the test reference point MRP ISO
73. nt part of the user population for a specific cluster A standard design is defined per cluster In addition to these optional designs are available which can be included for approval testing The extent to which the user is properly visible in traffic The quickest wheelchair 15 k p h must be able to stop within 3 5 m in conformity with EN 12184 A response time of 1 sec is equivalent to a distance of approx 4 m EN 12184 specifies a distance of 20 m but for the time being this is not feasible The light intensity is in conformity with ISO CD 6742 1 data with respect to the light beam are derived from the German standard StVzo 67 Visual evaluation for lighting of the road surface It is determined whether the manufacturer has issued a statement specified that the requirement for the dispersion of light intensity has been satisfied Ww Weighted dummy Definition Weighting Definition Wheelchair Definition A simulated load when carrying out experiments on wheelchairs The load simulates the weight of specific groups of users for whom the wheelchairs have been designed Note ISO dummy for 25 50 75 and 100 kg loads designed for static tests ISO 7176 11 Note RLG dummy Reference Loader Gauge has been designed for measuring sitting postures ISO standard 7176 7 and is called the Test Instrument A statistical evaluation with respect to the importance that a characteristic of a product has in relation to it
74. ntal evaluation Adl activities for daily living Definition Ancillary equipment Definition Angle B Definition Angle y Definition These are activities carried out on a daily basis such as eating drinking going to the toilet and personal hygiene NB The properties of wheelchair for which the term is used are evaluated in relation to the aforementioned activities A modification to the wheelchair essential to the individual where use is made of standard components The angle between the seat and the legrest beta This is comparable with the angle between the upper leg and the contact plane of the calf and heel See figure 1 compare ISO 7176 7 dimension 15 The angle between the footplate and the legrest gamma This is comparable with the angle between the contact plane of the calf and heel with the contact plane of the foot See figure 16 compare ISO 7176 7 dimension 14 Angle a B 4 Definition Purpose of test requirement Test method The angle between the seat and the backrest alpha In conformity with EN 12183 and EN 12184 These test requirements are minimum values If a wheelchair just manages to satisfy these values the quality of the sitting posture is acceptable Measurements in conformity with ISO 7176 7 dimension 6 a The value a is calculated as follows a 90 a dimension 1 See figure 1 z figure 1 Angles Angle a adjustable B 5 Definition Purpose of test requi
75. o the lower leg length of the user in such a way that the feet and the upper legs are capable of being supported adequately The ideal relationship between the sitting height and the lower leg length is determined in the following fashion sitting height lower leg length The level of tolerance determined for the ideal relationship is set at 20 mm to 20 mm A relationship is determined between the lower leg lengths and the upper leg lengths of the users The required dimensions for sitting height are derived from this Corrected lower leg lengths that most commonly occur in the general population are 390 560 mm A sitting height smaller than 390 20 370 mm and larger than 560 20 580 mm does not have much purpose Testing in conformity with ISO 7176 7 dimension 11 with modified LRP Testing is carried out in the basic neutral position Sitting height for use indoors and presence of tilt mechanism BGQ 5 Definition Purpose of test requirement Test method The height available for supporting the lower legs and for supporting the feet The space available is determined by the configuration of the seat and the footrests The sitting height corresponds to the lower leg length of the user in such a way that the feet and the upper legs are capable of being supported adequately The ideal relationship between the sitting height and the lower leg length is expressed as sitting height lower leg length The level of toler
76. old woman can summon The requirement also applies to service brakes on push chairs Test method Testing in compliance with EN 12183 EN 12184 Operating force for controls on electrically powered push chairs C 9 Definition Purpose of test requirement Test method The force which is required to operate the control unit on electrically powered push chairs The same basis is applied to these forces as to those for hand operated electronic controls However the maximum value has been altered since handgrip levers also apply to the regulation See measuring forces Operating force for deceleration service brake C 13 Definition Purpose of test requirement Test method The force which is necessary to activate the control device According to Kodak 1983 the maximum force that can be exerted by a sitting person is equivalent to moving a 9N lever mechanism forwards and backwards with one finger When pressing a button which involves use of the whole hand a maximum force of 13 5 N 9 N 50 is assumed See measuring forces Operating force for hand operated electronic controls C 5 Definition Purpose of test requirement Test method The force which is necessary to position and hold the hand operated electronic controls joystick in the maximum forward or backward settings According to Kodak 1983 the maximum force that can be exerted by a sitting person is equivalent to moving a 9N lever mechanism fo
77. on through the turning radius Prior to testing the wheelchair is required to be set to the position illustrated in the drawing see figure 10 One of the wheels is also locked into position using the parking brake An increasing level of force F is then applied to the handrim of the wheel that is not locked in a forward direction and at right angle to the handrim radius The maximum force which is attained is recorded when the wheelchair begins to turn on its axis and when the castor wheels are roughly parallel with the turning radius The test is required to be carried out 3 times The lowest recorded value is considered to be the approval value and needs to be checked with the testing requirement 2 Changing direction through 180 Prior to testing the wheelchair is required to be set to the position illustrated in the drawing see figure 11 An increasing level of force F is then applied near the rear axle of the wheelchair until the direction of the wheelchair the subsequent position of the castor wheels has turned through 180 The test is required to be carried out 3 times The lowest recorded value is multiplied by the factor a h radius of the drive wheel divided by the vertical distance from the top of the handrim to the ground The outcome of this is considered to be the approval value and needs to be checked with the testing requirement Manoeuvrability requirement 8 4GQ1 electrically powered wheelchairs Defi
78. on to the horizontal so that the user can adopt a safe well supported sitting posture NB The possibility to adjust the angle of the seat by an axle adjustment is deemed acceptable for the seat wedge angle adjustment The extent to which parts of the wheelchair have been carefully designed in relation to road use This requirement is based on The Road Traffic Act of 1994 WVW cl 5 9 48 5 11 48 Visual and tactile evaluation In the requirements short term use is related the non adjustability of the sitting posture see definition of Sitting posture Single adjustment SA Definition See Variability operability Sitting depth BGQ1 Definition Purpose of test requirement Test method Remark The depth of the seat unit of the wheelchair which is available for supporting the upper leg and the buttocks The depth available is determined by the configuration of the seat length and the backrest The sitting depth corresponds to the upper leg length of the user in such a way that the buttocks upper legs and back are capable of being supported adequately without the front edge of the seat jutting into the back of the knee Corrected upper leg lengths that most commonly occur in the general population are 425 595 mm The ideal relationship between the sitting depth and the upper leg length is determined in the following fashion sitting depth upper leg length 50 mm The level of tolerance determined for the i
79. oned in relation to the neutral position 0 seat in driving position A scooter is characterised by a horizontally positioned flat plateau which supports the feet and to which the seat is secured A proper sitting height is achieved by varying the height of the seat Propulsion is carried out electrically and steering mechanically The ease with which the speed can be varied This requirement has been established in response to user evaluation It is experimentally determined whether the speed can be varied properly for all setting of the maximum speed regulation Seat elevation Definition Adjustment with fixed or variable settings of the while sitting unit including footrests legrests armrests an headrest in relation to its height from the floor Seat lock A1 7 GQ3 Definition Purpose of test requirement Test method A device to lock the seat rotation mechanism in position The seat is required to be set in its two most important positions namely in the position used for driving the wheelchair and the one which is used most often for mounting dismounting It is determined whether the seat rotation mechanism can be fixed and if so in which settings in relation to the neutral position 0 seat in position used for driving Seat wedge angle adjustment Definition Sharp parts Definition Purpose of test requirement Test method Short term use Definition Adjustment of the angle of the seat in relati
80. ose of test In conformity with EN 12184 requirement Test method The wheelchair is placed on a treadmill and horizontal power sensors are attached The wheelchair is set to its maximum speed and the treadmill likewise set in motion The speed is determined at which the sensors determine a force maximum speed of wheelchair treadmill speed or the test is carried out on a slope by means of another validated test method Maximum speed limiter Definition The way in which the maximum speed can be limited Purpose of test This requirement is has been stipulated as a replacement requirement for the old requirements with respect to maximum speed Test method Visual and experimental evaluation Maximum speed regulator Definition The number of settings to which the maximum speed can be adjusted Purpose of test This requirement has been implemented to replace the old requirement requirements with respect to maximum speed Test method Visual and experimental evaluation Maximum unevenness requirement 8 4GQ7 area of use indoor and indoor outdoor Definition Purpose of test requirement Test method The unevenness which the wheelchair with one wheel can negotiate without any of the other wheels coming off the ground A test drive showed that obstacles of 30 mm regularly occur outdoors One castor wheel is raised at increments of 10 mm and a measurement is taken of the moment at which the second wheel is raised from the groun
81. oter is positioned in such a way that the tendency to fall over occurs over the tipping line Steering lock A1 10 1 Definition The angle which the wheel which controls the direction of the scooter can make in relation to the neutral position 0 forwards direction Purpose of test If the steering control unit can be turned through 90 when requirement driven the scooter with a rear wheel drive might be turned too quickly with the likelihood of tipping over Test method The maximum position in relation to the neutral position is determined for the wheel that controls the direction of the wheelchair See figure 17 0 figure 17 Steering Lock System of dimensions Definition The system of dimensions relates to the various dimensions in which a wheelchair can be made available T Test status Definition A test status or testing registration form is a list of properties on which the test results for the various properties have been are recorded Testing reference point Definition Therapist T Definition Remark The line that dissects the reference plane of the seat and the reference plane of the backrest of the measuring device Reference Loader Gauge in conformity with ISO 7176 7 A therapist is defined as the person who positions the wheelchair to the correct settings for the user This can also be the attendant For evaluation purposes the anthropometry and strength of a physically able P50 man is
82. r cluster Active self propelling adjustable RO6
83. r to exert a force for varying the sitting posture increases the likelihood of this not being able to be done by the user attendant Experimental evaluation A brake blocking mechanism which enables a stationary wheelchair to remain stationary or a mechanism which enables a user to slowly bring the wheelchair to a standstill and to regulate the speed Visual evaluation and inspection Buckle free wheels CGQ36 Definition Purpose of test requirement Test method Cc Calf support Definition The presence or absence of a warp in the wheel Excessive vertical or transversal deviation can lead to the wheelchair swaying from side to side Using a calliper rule a measurement is taken of the distance from a fixed point to the rim whilst turning the wheel slowly in a vertical and transversal direction A recording is taken of the difference between the largest and smallest recorded distance per direction A rigid support element on which the calf can be supported Castor wheel outside greatest width 7 5GQ4 8 4GQ3 Definition Purpose of test requirement Test method The dimensions of the castor wheel when positioned transversally to the direction of travel which fall outside the greatest width of the wheelchair The upper limit is determined experimentally The castor wheel is positioned transversally to the direction of travel whereupon a measurement of dimension x is taken in conformity with figure 3
84. radius rotation of the castor wheels in another direction of travel 2 By determining the force required to change the direction of travel of the wheelchair from a stationary position likewise rotation of the castor wheels in another direction of travel 1 Rotation through the turning radius 1 Rotation through the turning radius Wheel locked figure 10 Rotation through turning radius for self propelled wheelchairs Prior to testing the wheelchair is required to be set to the position illustrated in the drawing see figure 10 One of the wheels is also locked into position using the parking brake An increasing level of force F is then applied to the handrim of the wheel that is not locked in a forward direction and at right angle to the handrim radius The maximum force which is attained is recorded when the wheelchair begins to turn on its axis and when the castor wheels are roughly parallel with the turning radius The test is required to be carried out three times The lowest recorded value is considered to be the approval value and needs to be checked with the testing requirement 2 Changing direction through 180 pet 4 figure 11 changing direction for self propelled wheelchairs Prior to testing the wheelchair is required to be set to the position illustrated in the drawing see figure 11 An increasing level of force F is then applied near the rear axle of th
85. rear wheel Turning radius A2 7 A2 14 Definition Purpose of test requirement Test method The turning radius is the half of the mid line which dissects the smallest circle made by the extremity of the wheelchair when turned The value of the turning radius is determined on the basis of the test results In doing so a radius which comes as close as possible to 1500 mm in free space as indicated in the Accessibility Manual should be attained Measurement in conformity with ISO 7176 5 Turning radius and turning space requirement 8 4 1 3 area of use indoor Definition Purpose of test requirement Test method The turning radius is the half of the mid line which dissects the smallest circle made by the extremity of the wheelchair when turned The turning space is the distance within which a wheelchair can reverse by reversing once only for example between two parallel walls The value of the turning radius is determined on the basis of the test results In doing so a radius which comes as close as possible to 1500 mm in free space as indicated in the Accessibility Manual should be attained The requirement for turning space is in conformity with EN 12184 Measurement in conformity with ISO 7176 5 Turning radius and turning space requirement 8 4 1 4 area of use outdoor Definition Purpose of test requirement Test method The turning radius is the half of the mid line which dissects the smallest c
86. reased as slowly as possible The test is carried out three times The lowest value of the 3 is regarded as being the approval value A simulation in the shape and size of the human form for measuring sitting postures in a wheelchair Reference Loader Gauge in conformity with ISO 7176 7 Mechanical functioning for removal and replacement of armrests legrests by attendant C 26 Definition Purpose of test requirement Test method The mechanical functioning of the release mechanism removal replacement and locking of the armrests legrests Apparent poor functioning is understood to mean crossing blocking etc in such a fashion that the action can be carried out only with great difficulty Experimental evaluation Mechanical functioning for removal and replacement of armrests legrests by user C 30 Definition Purpose of test requirement Test method Remark The mechanical functioning of the release mechanism removal replacement and locking of the armrests legrests Apparent poor functioning is understood to mean crossing blocking etc in such a fashion that the action can be carried out only with great difficulty Experimental evaluation For scooters this requirement relates only to the removal folding swivelling etc of armrests Mechanical functioning of variable setting for C 29 Definition Purpose of test requirement Test method The extent to which the sitting posture can be varied If th
87. rement Test method Angle 5 Definition The angle between the seat and the backrest alpha In conformity with EN 12183 and EN 12184 These test requirements are minimum values If a wheelchair just manages to satisfy these values the quality of the sitting posture is acceptable Measurements in conformity with ISO 7176 7 dimension 6 a The value a is calculated as follows a 90 a dimension 1 See figure 1 The angle between the armrest and the seat delta This is comparable with the angle between the forearm and the upper leg See figure 16 compare ISO 7176 7 dimension 20 test in relation to horizontal Angle B 1 Definition Purpose of test requirement Test method Angle B 2 Definition Purpose of test requirement Test method The angle between the seat and the horizontal plane angle phi In conformity with EN 12183 and EN 12184 Friction will result if the upper leg bone makes a negative angle in relation to the horizontal plane the user will slide forwards This should not be accommodated for by using a seat cushion with a rough upholstery or by providing a counter support on the wheelchair footplates This will indeed stop the user sliding forwards but the frictional forces that are produced will heighten the risk of decubitus In order to prevent this the upper leg bone must be horizontal at least This is achieved by making an angle between the underside of the leg and the ho
88. rements of this test instruction it should be performed with the wheelchair subjected to the following measuring conditions unless it is stated otherwise with respect to the measurement concerned wheelchair ready for use adequately acclimatised temperature and humidity test lab castors in following position for driving forwards wheelchair loaded with a test dummy in the spirit of ISO 7176 11 The choice of dummy weight is determined on the basis of the recommended maximum weight specified by the manufacturer Before the measurements are started the wheelchair to be tested is set in the neutral basic position In principle the supplied ready for use condition of the wheelchair is taken as a starting point unless the position of a component is adjustable If so a position is elected for each of these components in conformity with the neutral basic position which is selected as follows under footrest clearance 50 mm seat angle 8 2 in relation to the horizontal or nearest smaller angle measured according to ISO 7176 7 6 backrest angle 10 2 in relation to the vertical or nearest smaller angle measured according to ISO 7176 7 6 legrest angle 90 2 in relation to the seat or nearest larger angle measured according to ISO 7176 7 6 if the whole sitting position can be rotated according to forward direction if the whole sitting support unit is horizontally adjustable in central
89. rizontal plane of 4 Testing in conformity with ISO 7176 7 dimension 1 See figure 1 The initial setting for the angle which the seat makes with the horizontal plane for a tilt in space adjustment phi one In conformity with EN 12183 and EN 12184 Friction will result if the upper leg bone makes a negative angle in relation to the horizontal plane the user will slide forwards This should not be accommodated for by using a seat cushion with a rough upholstery or by providing a counter support on the wheelchair footplates This will indeed stop the user sliding forwards but the frictional forces that are produced will heighten the risk of decubitus In order to prevent this the upper leg bone must be horizontal at least This is achieved by making an angle between the underside of the leg and the horizontal plane of 4 Testing in conformity with ISO 7176 7 dimension 1 See figure 16 In case of a tilt in space adjustment and an adjustable sitting angle the centre position of the adjustment range of angle is taken as a starting point Angle adjustable B 2 Definition Purpose of test requirement Test method The initial setting for the angle which the seat makes with the horizontal plane for a tilt in space adjustment phi one In conformity with EN 12183 and EN 12184 Fora wheelchair whose tilt mechanism has two settings it is possible that the adjustment can be set by the set by the therapist beforehand T
90. rom the floor covering It is determined whether the manufacturer provide a statement that the tyres do not leave any markings Mass of heaviest part for transport by attendant behind car seat in car boot Definition Purpose of test requirement Test method The weight of the heaviest remaining part of the wheelchair when it has been reduced in size for transportation purposes It is assumed that the attendant puts the wheelchair in the car The upper limit is based on the weight that a 65 year old physically able woman can lift from the ground to waist height The frame and all parts of the wheelchair which are removed from the wheelchair when it is reduced in size are weighed separately The weight of the heaviest part is recorded Mass of heaviest part for transport by user behind car seat Definition Purpose of test requirement Test method The weight of the heaviest remaining part of the wheelchair when it has been reduced in size for transportation purposes After reducing the width of the wheelchair this is pulled into the car over the sill of the passenger s side of the car At that moment the wheelchair is supported on its large wheels The requirement is based on the test results of wheelchair availability In doing so the assumption is also made that the disabled user will be able to exert less lifting and pulling force from his sitting position than an physically able attendant The frame and all parts of
91. rom the wheelchair after which the remaining frame is reduced in size This must be done without the use of any tools The length width and height of the largest remaining part are measured Removal of the wheels despite narrowing the width of the wheelchair is not included in the term reduce in size but falls under the concept of disassembly Sometimes the backrest is first removed e g in the case of a fixed backrest cushion The wheelchair is then evaluated on its capacity to be reduced in size Dimensions of largest part I x w x h when taken in estate car req 6 7GQ5 for hand propelled wheelchairs Definition Purpose of test requirement Test method The dimensions I x w x h of the largest part of the wheelchair for transport after it has been reduced in size The wheelchair is reduced in height by means of removing or folding down the backrest The maximum dimensions are derived from the space available in the luggage space of an estate car The arm and legrests as well as any seat and or backrest cushions are removed from the wheelchair after which all parts of the wheelchair are removed or folded which result in the wheelchair s reduction in length and or width and or height This must be done without the use of any tools The length width and height of the largest remaining part is measured after reduction in height Dimensions of largest part I x w x h when taken in estate car req 7 7GQ5 and 7 7
92. rwards and backwards with one finger On the basis of the fact that a joystick is usually operated by at least two fingers the maximum value has been set at 13 5 N 9 N 50 Measurements are taken for forward and backward settings at the greatest force See measuring forces Operating force for service brake button switch C 12 Definition Purpose of test requirement Test method The force which is necessary to activate the control device According to Kodak 1983 the maximum force that can be exerted by a sitting person is equivalent to moving a 9N lever mechanism forwards and backwards with one finger When pressing a button which involves use of the whole hand a maximum force of 13 5 N 9 N 50 is assumed See measuring force Operating force of variable setting for a VUh VT C 23 A B Definition Purpose of test requirement Test method The force which is necessary to activate the control device The basis for the operating force is the pushing and pulling force and the turning moment which a 65 year old woman with a normal healthy working hand arm can summon at the side of the body at waist height for a prolonged period Burandt 0 6 x 100N See measuring forces Operating force of variable setting for a Vum C 22 B Definition Purpose of test The force which is necessary to activate the control device According to Kodak the maximum resistance that a push requirement Test method button m
93. s of the attendant This does not exclude the likelihood that disassembly cannot be carried out by the user in some cases Distance of steering control C 34 Definition Purpose of test requirement Test method The distance from the steering control unit to testing reference point in a horizontal direction The elbow gripping length of a P50 woman and a P95 man is used as a basis A measurement is taken of the horizontal distance between a point 50 mm 1 2 hand width from the one end of the steering control unit on the centre line and the testing reference point MRP of the Reference Loader Gauge RLG from ISO 7176 part 7 If the distance to the steering control unit is variable the following extreme setting are used as a basis for testing handles not beyond the line of the castor stem housing minimum setting handles steering column resting on RLG Distance to tyre CGQ11 A B Definition Purpose of test requirement Test method The distance viewed side on from the extremity of the tipping device to the tyre measured in the same direction as the wheel axle For a tipping device that protrudes more than 10 mm outside the tyre there is a greater risk of hitting a curb or other obstacle If the tipping device protrudes outside the tyre a measurement is taken in conformity with figure 5 figure 5 Distance to tyre Dynamic stability in neutral sitting posture Definition Purpose of test requirement
94. s to be checked with the testing requirement 2 Changing direction through 180 2 Changing direction through 180 f Pushing handie figure 9 Changing direction for push chairs Prior to testing the wheelchair is required to be set to the position illustrated in the drawing see figure 9 An increasing level of force F is then applied near the pushing handle in the middle and the extension to the wheelchair until the direction of the wheelchair the subsequent position of the castor wheels has turned through 180 The test is required to be carried out 3 times The lowest recorded value is considered to be the approval value and needs to be checked with the testing requirement Manoeuvrability requirement 7 5GQ2 self propelling transit active pushing self propelling semi active Definition The extent to which it is possible to carry out small movements of the wheelchair in any given direction in a controllable and fluent fashion in conformity with the commands of the user or attendant Purpose of test A measurement is taken of the force required to turn the requirement wheelchair by the handrims through the mid point of its turning radius and to rotate it through 180 The upper and lower limits are determined experimentally Test method The manoeuvrability for self propelling wheelchairs is determined in two ways 1 By determining the force required to turn the wheelchair through the mid point of its turning
95. s use for a specific cluster A chair which is fitted with wheels and designed to improve the transfer possibility of a person with a walking disability Wheelchair Tie down and Occupant Restraint System WTORS Definition See restraint system Width requirement A 2 1 area of use indoor Definition Purpose of test requirement The widest dimension of the wheelchair when in working order The Accessibility Manual indicates that the width of a door opening is 850 mm For indoor wheelchairs a smaller width is assumed with 10 mm of free space on either side since it involves continuous manoeuvring in constricted spaces and between narrow openings e g between furniture This upper limit is also specified in EN 12184 Width requirement A 2 2 area of use indoor outdoor Definition Purpose of test requirement The widest dimension of the wheelchair when in working order The Accessibility Manual indicates that the width of a door opening is 850 mm For passageways without oncoming vehicles a width of 900 mm is assumed For indoor outdoor wheelchairs a smaller width is assumed with 10 mm of free space on either side since the wheelchair can be widely used in indoor spaces This upper limit is also specified in EN 12183 ISO 7176 5 and EN 12184 Width requirement A 2 3 area of use outdoor Definition Purpose of test requirement The widest dimension of the wheelchair when in working order The basis for t
96. sary switch must be located at a glance enabling a quick response to the emergency situation Test method Visual evaluation Control panel Definition A box on which the control buttons switches and levers are attached with which the functions can be activated and or regulated Course stability 8 4GQ4 Definition The extent to which the wheelchair possesses the characteristic of maintaining a straight course for a corresponding fixed position of the steering control unit Purpose of test There is still no objective testing method for determining requirement course stability for electrically powered wheelchairs The above requirement will be maintained until one has been found Test method Experimental evaluation D Design form of warning signal for dynamic stability Definition The way in which the warning signal is represented Purpose of test It is widely known that a flashing red light quickly attracts requirement attention and is associated with danger Test method Visual evaluation Design of freewheel setting CGQ15 Definition The way in which the freewheel setting is designed technically Purpose of test If parts or components have to be detached in order to requirement engage the wheelchair into its freewheel setting this might lead to problems in emergency situations Test method Visual evaluation Design of lighting lighting signals Definition The way in which lights lighting signals have been designed
97. t is determined whether the distance between the underside of the front wheels and the ground is 2 120 mm lt 120 mm visual evaluation the anti tipping device is required to be fitted with small wheels Position of castor stem housing on castor wheel Definition Purpose of test requirement Test method The way in which the castor stem housing has been constructed to guarantee proper functioning of the castor wheel In order to manoeuvre the wheelchair properly in all directions it is not possible to permit any extra resistance by means of incorrect castor wheel construction If a number of axle positions can be selected on the wheelchair or different wheel diameters are possible the position of the castor wheel needs to be adjusted accordingly The angle of the castor stem housing is measured Position of controls for electrically powered push chair Definition Purpose of test requirement Test method The distance between the floor and the control unit on the electrically powered push chair In conformity with EN 12184 The elbow height of a P5 woman the heel height lower limit and of a P95 man heel height maximum limit is assumed A measurement is taken perpendicularly of the height perpendicularly from the floor to the centre of the control unit for regulating speed Position of direction indicators Definition Purpose of test requirement Test method The position of the direction indicators in co
98. t use can be optimised Visual evaluation V Variability operability Definition PV Can be varied at all times i e it is adjustable at any given moment without the use of tools and with the user in the wheelchair VU Can be varied at all times by the user VUh A VUh control is so called when the variable setting is mechanical and the user him or herself can position the loaded support element in a particular setting VUm A VUm control is so called when the variable setting is power assisted whereby the user only exerts a small amount of force with the arm or hand in order to position the loaded support element in a particular setting VT Can be varied at all times by the therapist attendant whereby the anthropometry and strength of a physically able 65 year old woman is taken as a basis SA An adjustment is considered to be a single adjustment SA only when the setting of a loaded or unloaded support element must be carried out with the aid of tools or if the setting can be performed without the use of tools but only when the user is not in the wheelchair NA A support element setting is considered to be non adjustable when this is not VU VT or SA Variable at all times by therapist VT Definition Variant Definition Remark Visibility Definition Purpose of test requirement Test method See Variability operability The design of a make and type of product which satisfies the needs of a significa
99. tability holding force brake etc friction coefficient of the surface between 0 75 and 0 1 measured according to ISO 7176 13 5 for measuring on measuring floor e g sitting position measurements overall dimensions turning radius rigid flat horizontal surface for sound measuring surface according to ISO 7176 13 Measuring accuracy Overview of the required measuring and reading accuracy for which in the EN 12183 and 12184 nothing is declared For tolerances the mathematical tolerance is used for example the requirement states x lt 20 This means a tolerance of 0 5 The x measured has to be smaller than 20 5 For example the requirement states x gt 2 0 Than the x measured has to be smaller than 1 95 quantity Designation Reading overall and sitting posture dimensions 1mm e g handrim thickness 0 1 mm Protractor reading 0 5 Operation buttons pushing force 0 5N holding force brake force 60 N 2 5N brake deceleration n a Maximum velocity 0 01 m s Disassembly 1s mass of parts 0 2 kg sound pressure level dBA 1 dBA pressure 3 4 General 3 4 1 Functional tests Operating force In principle the test methods and conditions required for a proper implementation of this test instruction have been included in chapter 2 of this part This chapter deals more extensively with the test methods and conditions applicable to a number of conditions For as for as the test methods and conditions are not inc
100. th NA fixed foldable footplate type 2 fixed length SA VT fixed user foldable footplate type 3 removable swivelling user foldable length SA VT user foldable footplate type 4 removable swivelling foldable length SA VT angle B SA VT foldable footplate type 5 removable swivelling user foldable length SA VT angle 8 VU user foldable footplate The longest dimension of the wheelchair when in working order the upper and lower limits are specified in EN 12183 and EN 12184 Testing in conformity with ISO 7176 5 Level of difficulty in positioning elements to be reattached by attendant or user C 27 C 31 A B Definition Purpose of test requirement Test method The level of difficulty in positioning support elements intended for reattachment Difficult and or accurate repositioning is understood to mean e g a positioning action that is not simple repeatedly mistaking the front and rear end of an armrest so that an attempt is made to put the armrest on back to front or a small pallet that needs to be positioned accurately in a hole Experimental evaluation Long term use Definition Low voltage Definition Purpose of test requirement Test method Lower leg support Definition Purpose of test requirement Test method In the requirements long term use is related a tilt in space sitting posture see definition of Sitting posture The extent to which the battery charge satisfies low voltage gu
101. the make and type of battery charger used Because it is not possible to see from the exterior of the battery charger what its operation and make is the aforementioned information is required to be specified on the battery charger for the purposes of the warranty and responsible Visual evaluation Identifiability of make of motor Definition Purpose of test requirement Test method The way in which the type of wheelchair s motor can be identified A nameplate stating the make and type will suffice in order to know what type of motor is used Visual evaluation Inconvenient protruding parts transfer A1 7 1 Definition Purpose of test requirement Test method The extent to which protruding parts above the seat can hinder transfer This value is determined experimentally The wheelchair is put into a position used for transfer by carrying out the necessary procedures engaging the parking brake s and removing lowering or folding away the armrest clothing protector etc A measurement is taken of the transfer height the vertical distance measured perpendicular from the edge of the seat side of seat or the extension to this and the upper side of the protruding part when the seat is unoccupied Inconvenient protruding parts walking space CGQ7 A B Definition Purpose of test requirement Test method The presence of inconvenient protruding parts in the area used by the attendant behind the wheelchair
102. the wheelchair which are removed from the wheelchair when it is reduced in size are weighed separately The weight of the heaviest part is recorded Mass of heaviest part for transport by user on behind car seat Definition Purpose of test requirement Test method The weight of the heaviest remaining part of the wheelchair when it has been reduced in size for transportation purposes After disassembling the wheelchair this is pulled into the car over the sill of the passenger s side of the car The requirement is based on the test results of wheelchair availability In doing so the assumption is also made that the disabled user will be able to exert less lifting and pulling force from his sitting position than an physically able attendant The frame and all parts of the wheelchair which are removed from the wheelchair when it is reduced in size are weighed separately The weight of the heaviest part is recorded Mass of part to be detached for electrical propulsion Definition Purpose of test requirement Test method The weight of the parts of the wheelchair which are detached for transportation purposes The upper limit is based on the vale that Burandt indicates for lifting a weight with both hands from 20 cm to 60 cm waist height by a 65 year old woman 0 4 x 600 240 N It is assumed that this occurs occasionally in which case an upper limit of 24 kg is acceptable All parts which can be detached from the wheel
103. tion Purpose of test requirement Test method Headrest Definition Purpose of test requirement Test method Headrest type Definition Height Definition Purpose of test requirement The diameter of the tubing from which the handrim is made The basis for this is the minimum height of an oval handgrip A measurement is taken of the smallest diameter of the handrim The presence of an element to support the head of the user For a tilt in space sitting unit with a considerable angle of tilt the user s head needs to be capable of being adequately supported A value of 10 has been experimentally determined Visual evaluation There are different types of headrest type 1 a headrest that consists of an extended backrest or a support unit which is only adjustable in height type 2 a headrest that consists of a separate detachable support unit This headrest can be continuously adjusted in length and in depth by a therapist Tilt in space VT type 3 a headrest that consists of a separate detachable support unit VT in height This headrest has an active passive setting which is VU or automatically linked to the relevant sitting posture The highest wheelchair size in working condition This value is based on the Road Traffic Act of 1994 WVW clause 5 10 6 c 5 11 6 c Height of tipping device CGQ10 Definition Purpose of test requirement Test method Height variability The height from the top
104. turer has issued a statement specified that this requirement has been satisfied In ISO 7176 14 this subject is mentioned In a new version of ISO 7176 9 which will appear in 1998 this item will be included At the moment a decision is pending on whether this requirement can be done away with since it is covered by requirement 8 7 1 Mounting height A1 7GQ4 Definition Purpose of test requirement Test method N The height from the plateau to the ground at the position where the feet mount the plateau or the height to which the feet must be raised to be put on the plateau The mounting height should be as low as possible so that the user can turn round from his sitting position in one flowing movement This height is nevertheless a compromise between the ideal mounting height and the ground clearance The mounting height is measured in an area from 0 to 150 mm in front of the back edge of the plateau or the front side of the seat if decisive measured in a forward driving position in an area between 0 and 100 mm from the side of the plat form in the transverse direction The highest point of the plateau is measured The seat is not loaded when testing is carried out Non adjustable NA Definition O See Variability operability Obstacle height requirement A 2 12 area of use indoor outdoor Definition Purpose of test requirement Test method Remark The clearance between the ground and the unders
105. tween the front wheel s and the rear wheels The seat is loaded with a weighted dummy for the measurement The lowest value is recorded The measurement is carried out according to figure 6 Remark In EN 12184 this is a combination of ground clearance and obstacle height LNA KD measuring area N under bottom clearance figure 6 ground clearance Ground clearance requirement A 2 9 hand propelled wheelchairs Definition The free space between the wheels of the hand propelled wheelchair Purpose of test In conformity with EN 12183 requirement Test method The wheelchair is loaded with a weighted dummy A measurement is taken of the distance between the floor and the lowest fixed part of the wheelchair with the exception of the anti tipping device H Handgrip width of brake lever CGQ22 Definition The greatest distance which the hand must cover between the steering control unit and the brake lever Purpose of test In conformity with ISO and DIN this distance is required to requirement be 90 mm at the most Test method A measurement is taken of the distance at 25 mm from its extremity based on the position of the force measurement corresponds to the figures in the bicycle standard ISO 4210 between points B and C inthe middle of the handgrip part of the brake lever Hand operated variability at all times by user VUh Definition See Variability operability Handrim thickness CGQ15 Defini
106. urpose of test requirement Test method The range of the tilt mechanism delta phi or tilt in space angle range A tilt in space angle of approx 10 ata 1 between 4 and 14 transfer position provides a stable sitting position between 14 and 24 In practice this appears to be the correct angle for relaxed sitting for watching television reading etc In EN 12183 and EN 12184 values are also specified for tilt in space angle range Measure of angle in conformity with ISO 7176 7 dimension 1 in the most extreme positions of the tilt mechanism The difference between these positions is calculated See figure 16 figure 16 Size of angle Ag Standard design form Definition The design form of a make and type of product which satisfies the needs of the largest part of the user population for a particular cluster Static stability in four directions in a neutral sitting position requirement 6 8GQ1 hand propelled wheelchairs Definition Purpose of test requirement Test method Remark The slope on which a stationary wheelchair just manages not to tip over The wheelchair should remain with at least three wheels on the ground whereby the product can continue to be driven and steered A wheelchair must not fall over when negotiating an uphill or downward slope neither in a forwards direction nor reverse nor sideways The requirement has been determined using a maximum gradient of 1 10 5 79 in conformity
107. used as a basis for the SA adjustments For a VT adjustment it is assumed that this can be done by the attendant and therefore the anthropometry and strength of a physically able 65 year old woman is used as a basis for the evaluation Thoracic region detached from the wheelchair Definition This means that when an operation is carried out in the wheelchair the user is detached from the backrest as far as chest height about 1 3 of the back detached from the backrest Tilt mechanism B 6 B 7 Definition Tipping Definition Angle adjustment of the complete sitting unit in relation to the horizontal plane with the aim of varying the sitting posture of the user whilst the wheelchair is occupied One or more wheels becoming detached from the ground whilst negotiating a slope Tipping device CGQ8 A B Definition Purpose of test requirement Test method Tipping line Definition Device attached to the wheelchair on which the attendant can position one foot whilst pulling on the pushing handles in order to tip the two rear wheels backwards Push chairs are propelled by means of pushing by an attendant Without the aid of a tipping device most push chairs cannot be tipped or tipped only with great difficulty The presence of a tipping device is determined by means of visual evaluation The horizontal tangent between the perpendicular from the centre of the front wheel and the centre of the left hand or right hand
108. way The removal of the footplates by means of removal of the legrests is permitted Re movability of legrests Definition Purpose of test requirement Test method The possibility to re move the legrests in order to create space for making a transfer For sideways transfers from standing to sitting positions or otherwise legrests should not impede this transfer and are therefore required to be re moved if they protrude in front of or above the seat The protrusion values are experimentally determined The horizontal distance between the legrest construction and the front of the seat is measured A measurement is taken of the distance between the edge of the seat side of seat or an extension of this and the top of the legrest construction It is determined experimentally whether the legrests can be re moved Resistance to corrosion 7 4 1 Definition Purpose of test requirement Test method The extent to which the product is resistant to corrosion In conformity with DIN 53210 Use of the wheelchair is possible in wet conditions such as outdoors or indoors in a damp space at home Salt mist test DIN 50021 and DIN 53210 Restraint in other means of transport 6 5 1 7 5 1 Definition Purpose of test requirement Test method The securing of the wheelchair in a vehicle whilst occupied by means of a Wheelchair Tie down and Restraint system The Wheelchair Tie down and Restraint system indicated as
109. with the Accessibility Manual Testing takes place on a test slope to a max angle of 15 whereby a wheelchair loaded with a weighted dummy just manages not to tip over when stationary with the brakes applied The measurement is performed with the wheelchair facing uphill facing downhill and at right angles to the direction of the slope For active wheelchairs the stability is determined in three directions forwards left and right Static stability in four directions in a neutral sitting position requirement 8 4GQ11 electrically powered wheelchairs Definition The slope on which a stationary wheelchair just manages not to tip over The wheelchair should remain with at least three wheels on the ground whereby the product can continue to be driven and steered Purpose of test The test requirement is linked to the requirement specific to requirement the maximum negotiable slope to a maximum angle of 15 When driving on the steepest slope lt 15 which the wheelchair scooter can negotiate in terms of power the wheelchair must not fall over neither in a forwards direction nor reverse nor sideways Test method Testing takes place on a test slope to a max angle of 15 whereby a wheelchair loaded with a weighted dummy just manages not to tip over when stationary with the brakes applied The measurement is performed with the wheelchair facing uphill facing downhill and at right angles to the direction of the slope The sco

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