BS 4997:1991
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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Specification for wooden axilla crutches
Hardcopy , PDF
29-11-2010
English
29-03-1991
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Committees responsible
Foreword
Specification
1. Scope
2. Definitions
3. General
4. Materials
5. Side bows
6. Footpiece
7. Foot rubber
8. Handle
9. Head
10. Headcover
11. Bolts and related fittings
12. Finish
13. Performance requirements
14. Marking
Appendices
A. Determination of moisture content
B. Methods of test
Table
1. Dimensions
Figures
1. Axilla crutch
2. Wedges
3. Strength test
5. Impact test
6. Swinging weight test
Requirements and performance tests for four sizes, large, medium, small and infants, each adjustable in length.
| Committee |
CH/173
|
| DevelopmentNote |
Supersedes BS 4997(1973) & 90/51083 DC. (07/2005) Reviewed and confirmed by BSI, December 2005. (11/2005)
|
| DocumentType |
Standard
|
| Pages |
16
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
|
| SupersededBy | |
| Supersedes |
| BS 6100-4.1(1984) : 1984 | GLOSSARY OF BUILDING AND CIVIL ENGINEERING TERMS - FOREST PRODUCTS - CHARACTERISTICS AND PROPERTIES OF TIMBER AND WOOD BASED PANEL PRODUCTS |
| BS 856:1969 | Specification for wing nuts |
| BS 1224:1970 | Specification for electroplated coatings of nickel and chromium |
| BS 1706:1990 | Method for specifying electroplated coatings of zinc and cadmium on iron and steel |
| BS 903-A26:1969 | Physical testing of rubber Determination of hardness |
| BS 4933:1973 | Specification for ISO metric black cup and countersunk head bolts and screws with hexagon nuts |
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