AS 3973-1991

1 - AS 3973:1991 MOBILE SHOWER/TOILET CHAIRS
4 - PREFACE
4 - CONTENTS
5 - 1 SCOPE
5 - 2 REFERENCED DOCUMENTS
5 - 3 DEFINITIONS
5 - 3.1 Back support
5 - 3.2 Backrest support frame
5 - 3.3 Buffering device
5 - 3.4 Castor
6 - 3.5 Combined wheel and swivel lock
6 - 3.6 Footrest
6 - 3.7 Parking brake
6 - 3.8 Swivel lock
6 - 3.9 Shall
6 - 3.10 Should
6 - 3.11 May
6 - 4 MATERIALS
6 - 4.1 Corrosion resistance
6 - 4.2 Ignitability
6 - 4.3 Toxicity
6 - 4.4 Surface finishes
6 - 4.5 Upholstery
6 - 4.6 Cushioning materials
6 - 5 DESIGN AND CONSTRUCTION
6 - 5.1 General requirements
6 - 5.2 Seat
7 - 5.3 Support frame for pan carrier
7 - 5.4 Armrests
7 - 5.5 Backrest
7 - 5.6 Wheel-locking device lever
7 - 5.7 Footrests
8 - 5.8 Castors
8 - 5.9 User-propelled wheels
8 - 6 PERFORMANCE
8 - 6.1 Clearance
9 - 6.2 Manoeuvrability
9 - 6.3 Efficiency of parking brakes
9 - 6.4 Weight-bearing footrests - Strength and chair stability
9 - 6.5 Stability
9 - 6.6 Dynamic durability
9 - 6.7 Static durability
9 - 7 TESTING
9 - 7.1 Sequence of tests
9 - 7.2 Test specimen
9 - 8 INFORMATIVE LABELLING
9 - 8.1 General
9 - 8.2 Information to be supplied
9 - 9 MARKING
11 - APPENDIX A - PURCHASING GUIDELINES
11 - A1 DIMENSIONS
11 - A2 MATERIALS
11 - A3 SEAT
11 - A4 SUPPORT FRAME FOR PAN CARRIER
11 - A5 ARMRESTS
11 - A6 BACKREST
11 - A7 FOOTRESTS
11 - A8 LOCATING DEVICES FOR LEGS AND FEET
11 - A9 CASTORS AND WHEELS
11 - A10 SAFETY RAIL
11 - A11 BUFFERING DEVICES
12 - APPENDIX B - RECOMMENDED SEAT DIMENSIONS
13 - APPENDIX C - RECOMMENDED FRAME DIMENSIONS
14 - APPENDIX D - TEST FOR WEIGHT-BEARING FOOTREST STRENGTH AND CHAIR STABILITY
14 - D1 SCOPE
14 - D2 PRINCIPLE
14 - D3 APPARATUS
14 - D4 PREPARATION
14 - D5 PROCEDURE
14 - D6 REPORT
15 - APPENDIX E - TEST FOR DYNAMIC DURABILITY
15 - E1 SCOPE
15 - E2 PRINCIPLE
15 - E3 APPARATUS
15 - E4 PREPARATION OF THE TEST SAMPLE
15 - E5 PROCEDURE
16 - E6 CALCULATION OF RESULTS
16 - E7 REPORT
17 - APPENDIX F - STATIC DURABILITY TESTING
17 - F1 SCOPE
17 - F2 PRINCIPLE
17 - F3 APPARATUS
18 - F4 PREPARATION OF THE TEST SAMPLE
18 - F5 PROCEDURE
18 - F5.1 General
18 - F5.2 Seat static load testing
19 - F5.3 Backrest static load testing
19 - F5.4 Armrest downward static load testing
19 - F5.5 Armrest downward and outward static load testing
19 - F5.6 Armrest upward static load testing
20 - F5.7 Non-weight-bearing footrest downward static load testing
20 - F5.8 Footrest supports forward static load testing
20 - F5.9 Push handle backward static load testing
20 - F6 REPORT
22 - APPENDIX G - DIMENSIONS TO BE RECORDED FOR TEST FOR DYNAMIC DURABILITY, AND POINTS OF APPLICATION AND DIRECTIONS OF TEST FORC

Specifies requirements for materials, construction, performance, testing and labelling of wheeled chairs which are intended for use over a conventional WC pan and with a removable commode pan, and which are also intended for use in a shower. Does not cover the use of chairs in swimming pools or other highly corrosive environments. Includes details of information to be requested by a manufacturer or retailer from a purchaser ordering a mobile shower/toilet chair.

This Standard specifies requirements for materials, construction, performance, and labelling for wheeled chairs which are intended for use over a conventional WC pan and with a removable commode pan, and which are also intended for use in a shower.NOTES:1 This Standard does not cover the use of chairs in swimming pools or other highly corrosive environments.2 Appendix A gives details of information to be requested by the manufacturer/retailer from the purchaser at the time of enquiry or order.

First published as AS 3973-1991.