ISO INTERNATIONAL STANDARD 7176-30 First edition 2018-12 Wheelchairs Part 30: Wheelchairs for changing occupant posture Test methods and requirements Reference number IS0 7176-30:2018(E) ISO @ IS0 2018 IS07176-30:2018(E) COPYRIGHTPROTECTEDDOCUMENT IS02018 All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior written permission. Permission can be requested from either IsO at the address below or IsO's member body in the country of the requester: ISO copyright office CP 40i : Ch. de Blandonnet 8 CH-1214 Vernier, Geneva Phone: +4122.749 0111 Fax: +41 22 749 09 47 Email:[email protected] Website: www.iso.org Published in Switzerland ii IS02018-Allrights reserved IS07176-30:2018(E) Contents Page Foreword V Introduction vi 1 Scope. .1 2 Normativereferences .1 .2 3 Terms and definitions 4 Test methods. .3 4.1 General principle. 3 4.2 Test preparation. 3 4.3 Determining the maximum drivable configuration 4 4.4 Order of testing... 4 5 General requirements. .4 5.1 Application. 4 5.2 Static stability 4 5.3 Dynamic stability of electrically powered wheelchairs 5 5.4 Efficiency of brakes 6 5.5 Overall dimensions 6 5.6 Strengthtests 6 5.6.1 General. 6 5.6.2 Multi drum test. 6 5.6.3 Seatimpact strength -Test method 7 5.7 Wheelchairs for use as a seat ina motorvehicle 8 5.8 Climatictestsforwheelchairsfor changingoccupantpostures 6 5.9 Back support strength 9 5.10 Requirementsfortheoperationforce oflevers. 9 Specific requirements for electrically powered wheelchairs and scooters. 6 .9 6.1 Electrical,powerand othercontrolsand mechanisms. 9 6.2 Theoretical range/postural cycles of electrically powered wheelchairs and scooters duetotheenergyconsumption ofthe oABSS 10 6.2.1 For OABSS's which share a power source with the wheelchair's drive system-Modified theoretical range. ..10 6.2.2 For OABSS's which have a separate power source dedicated to the OABSS Theoreticalcyclecapacity. .10 6.3 Test methods of maximum speed of electrically powered wheelchairs. .11 6.4 ObstacleclimbingDeterminationofobstacleclimbingabilityofelectrically powered wheelchairs. 11 7 Specific requirements for wheelchairs with either an electrically or manually operated bodysupportsystemforoccupantnot exceeding15okg-Back support .11 applied wheelchair tip fatigue strength 7.1 General. 11 7.2 Reguirement .11 7.3 Test method .12 8 Back-support adjustmentforce test (unlocked) for reclining type wheelchair .13 9 Specificrequirementsforwheelchairswith stand-upmechanisms .14 9.1 Strengthtest forwheelchairs that incorporatea stand-upmechanism with lower 14 legsupport. 9.1.1 .14 General 9.1.2 Test methods .14 9.2 Strength test for the wheelchairs for changing occupant posture which has stand- upmechanismwithhip/uppertorsosupport. .15 9.2.1 .15 General. 9.2.2 Test methods .16 IS0 2018 - All rights reserved iii