Technical systems and aids for disabled or handicapped persons -- Wheelchair tiedown and occupant-restraint systems

ISO 10542-5:2004 specifies test methods as well as requirements for design and performance, for instructions and warnings to installers and users, and for product marking and labelling of wheelchair tiedown and occupant restraint systems (WTORS). It applies only to WTORS that are intended to be used with particular makes and models of wheelchairs when used as a forward-facing seat by a passenger or a driver of a motor vehicle. ISO 10542-5:2004 applies to WTORS intended for use with manual or powered wheelchairs, including scooters with three or more wheels, intended for use by children or adults of mass equal to or greater than 22 kg. ISO 10542-5:2004 applies primarily to complete WTORS, but parts of this International Standard can also be applied to components and sub-assemblies sold separately and for replacement parts.

Assistances et aides techniques pour les personnes invalides ou handicapées -- Systèmes d'attache du fauteuil roulant et de retenue de l'occupant

General Information

Status
Withdrawn
Publication Date
31-Mar-2004
Withdrawal Date
31-Mar-2004
Current Stage
6060 - International Standard published
Start Date
11-Mar-2004
Completion Date
01-Apr-2004
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ISO 10542-5:2004 - Technical systems and aids for disabled or handicapped persons -- Wheelchair tiedown and occupant-restraint systems
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INTERNATIONAL ISO
STANDARD 10542-5
First edition
2004-04-01
Technical systems and aids for disabled
or handicapped persons — Wheelchair
tiedown and occupant-restraint
systems —
Part 5:
Systems for specific wheelchairs
Assistances et aides techniques pour les personnes invalides ou
handicapées — Systèmes d'attache du fauteuil roulant et de retenue de
l'occupant —
Partie 5: Systèmes pour fauteuils roulants particuliers
Reference number
ISO 10542-5:2004(E)
ISO 2004
---------------------- Page: 1 ----------------------
ISO 10542-5:2004(E)
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ii ISO 2004 – All rights reserved
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ISO 10542-5:2004(E)
Foreword

ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies

(ISO member bodies). The work of preparing International Standards is normally carried out through ISO

technical committees. Each member body interested in a subject for which a technical committee has been

established has the right to be represented on that committee. International organizations, governmental and

non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the International

Electrotechnical Commission (IEC) on all matters of electrotechnical standardization.

International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2.

The main task of technical committees is to prepare International Standards. Draft International Standards

adopted by the technical committees are circulated to the member bodies for voting. Publication as an

International Standard requires approval by at least 75 % of the member bodies casting a vote.

Attention is drawn to the possibility that some of the elements of this document may be the subject of patent

rights. ISO shall not be held responsible for identifying any or all such patent rights.

ISO 10542-5 was prepared by Technical Committee ISO/TC 173, Technical systems and aids for disabled or

handicapped persons, Subcommittee SC 1, Wheelchairs.

ISO 10542 consists of the following parts, under the general title Technical systems and aids for disabled or

handicapped persons — Wheelchair tiedown and occupant-restraint systems:
— Part 1: Requirements and test methods for all systems
— Part 2: Four-point strap-type tiedown systems
— Part 3: Docking-type tiedown systems
— Part 4: Clamping tiedown systems
— Part 5: Systems for specific wheelchairs
ISO 2004 – All rights reserved iii
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ISO 10542-5:2004(E)
Introduction

Providing effective crash protection for wheelchair-seated occupants of motor vehicles generally requires the

installation and use of equipment to tie down the wheelchair and restrain the occupant of the wheelchair.

ISO 10542-1 establishes general requirements and test methods for wheelchair tiedown and occupant restraint

systems (WTORS) that are designed for use with a wide range of wheelchairs and adult occupants. This part of

ISO 10542 establishes additional or alternative requirements for WTORS that are intended to be used with

specific makes and models of wheelchairs. The belt-type occupant restraints may attach to the wheelchair such

that occupant-restraint loads will be transferred through the wheelchair. This part of ISO 10542 applies to

WTORS intended for use with children whose mass is greater than 22 kg, in addition to WTORS intended for

use by adults. Children whose mass is less than 22 kg should be transferred from their wheelchairs into

appropriate child restraint systems intended for use in vehicles.

The provisions of ISO 10542-1 apply except as amended and supplemented by this part of ISO 10542.

ISO 10542-1 and this part of ISO 10542 place particular emphasis on design requirements, performance

requirements, and associated test methods with regard to the performance of WTORS for forward-facing

wheelchairs and occupants in frontal impacts. Because this part of ISO 10542 addresses WTORS intended for

use with specific makes and models of wheelchairs, the 48-km/h frontal impact test is conducted with a specific

make or model of wheelchair, rather than with a surrogate wheelchair specified in ISO 10542-1. As such, the

performance of both the WTORS and wheelchair are evaluated as a total system.

Transportation-related requirements for wheelchairs that are suitable for adult occupant seating during motor

vehicle transportation are specified in ISO 7176-19.
iv ISO 2004 – All rights reserved
---------------------- Page: 4 ----------------------
INTERNATIONAL STANDARD ISO 10542-5:2004(E)
Technical systems and aids for disabled or handicapped
persons — Wheelchair tiedown and occupant-restraint
systems —
Part 5:
Systems for specific wheelchairs
1Scope

This part of ISO 10542 specifies test methods as well as requirements for design and performance, for

instructions and warnings to installers and users, and for product marking and labelling of wheelchair tiedown

and occupant restraint systems (WTORS).

It applies only to WTORS that are intended to be used with particular makes and models of wheelchairs when

used as a forward-facing seat by a passenger or a driver of a motor vehicle.

This part of ISO 10542 applies to WTORS intended for use with manual or powered wheelchairs, including

scooters with three or more wheels, intended for use by children or adults of mass equal to or greater than

22 kg.

This part of ISO 10542 applies primarily to complete WTORS, but portions of this International Standard can

also be applied to components and subassemblies sold separately and for replacement parts.

2 Normative references

The following referenced documents are indispensable for the application of this document. For dated

references, only the edition cited applies. For undated references, the latest edition of the referenced document

(including any amendments) applies.
ISO 7176-22, Wheelchairs — Part 22: Set-up procedures

ISO 10542-1:2001, Technical systems and aids for disabled or handicapped persons — Wheelchair tiedown

and occupant-restraint systems — Part 1: Requirements and test methods for all systems

3 Terms and definitions

For the purposes of this document, the terms and definitions given in ISO 10542-1:2001, with the exception of

3.5, and the following apply.
3.1
anthropomorphic test device
ATD
articulated physical analogue used to represent a wheelchair occupant in a test
3.2
child
person having a mass equal to or greater than 22 kg and less than 36 kg
[ECE R44]
ISO 2004 – All rights reserved 1
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ISO 10542-5:2004(E)
3.3
H Points

points located on the left and right sides of the pelvic region of an anthropomorphic test device (ATD) that

represent the approximate locations of the human hip joint centres in the side views, as specified by the ATD

manufacturer
4 Design requirements

The requirements of ISO 10542-1:2001 Clause 4 apply with the exception of the following:

a) Delete 4.1 b), 4.3.1 b) and 4.3.1 c) NOTE.
b) Add the following to 4.1 WTORS.

WTORS shall include a belt-type occupant restraint either by specifying use of the belt-type occupant

restraint and anchorages provided with the vehicle, or as a part of a complete WTORS from one

manufacturer or as a part of a WTORS compiled from different manufacturers' equipment. The belt-type

occupant restraint of the WTORS may be fixed to the vehicle, the wheelchair or a part (or parts) of the

tiedown system.
c) Add the following to 4.3 Belt-type occupant restraints.
Occupant restraints shall be designed to either:

— function independently of the wheelchair, so that restraint belts anchor to either the vehicle or the

wheelchair tiedown components, or

— anchor to the wheelchair so that occupant restraint loads are transmitted through the wheelchair frame.

5 Identification, labelling, instruction and warning requirements

The requirements of ISO 10542-1:2001 Clause 5 apply with the exception of the following.

a) Delete 5.1.1 c), 5.2.2 c) and 5.3.2 a).
b) Add the following to 5.1 Identification and labelling:

1) WTORS and replacement parts shall be permanently and legibly marked showing that they conform to

this part of ISO 10542.

2) WTORS components and subassemblies shall be accompanied by information that includes the make

and model of the wheelchairs and the maximum wheelchair plus occupant mass which can be used with

the WTORS.
c) Add the following to 5.2 Instructions for installers:

Manufacturers of WTORS components and subassemblies shall provide written information that includes

the following:

1) the make and model of wheelchairs and the maximum wheelchair plus occupant mass which can be

used with the components and or subassemblies or WTORS;

2) a statement that the component or subassemblies or complete WTORS conforms to the requirement of

this part of ISO 10542;

3) diagrams and/or drawings which describe the method of installation if the occupant restraint is to be

attached to the wheelchair.
d) Add the following to 5.3 User and maintenance instructions:
1) a statement that the WTORS conforms to this part of ISO 10542;

2) where applicable, descriptions of the features required of a wheelchair or tiedown system for effective

attachment of occupant restraint end fittings;

3) warnings that the WTORS, or if applicable a component or subassemblies, are only for use with specifi

...

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