BS 4220-1:1974
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
Methods of test for seats on agricultural wheeled tractors. Tests on artificial track
Hardcopy , PDF
02-08-2013
English
06-09-1974
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Co-operating organizations
Foreword
Specification
1 Scope
2 Definitions
3 Pre-test seat operation
4 The tractor
5 Repairs during tests
6 Calibration
7 Testing
Appendices
A Determination of seat reference point
B Verification of seat dimensions
C Static deflection test
D Lateral stability
E Ride vibration test
F Specimen test report
Tables
1 Ordinates of elevation, in centimetres, with respect
to an arbitrary base-line, smoother track
2 Ordinates of elevation, in centimetres, with respect
to an arbitrary base-line, rougher track
3 Vibration weighting factors
Figures
1 Apparatus for determination of seat reference point
2 Test construction on a seat
3 Schematic diagram of tractor seat position
4 Static deflection curves
5 Frequency weighting filter characteristics of
'ridemeter'
Tests for a seat intended for a nominated tractor model; provides for measurement of transmitted vertical vibration on artificial track. Defines methods of measurement of important seat dimensions, static deflection and lateral stability characteristics. Specimen report included for guidance.
| Committee |
AGE/6
|
| DevelopmentNote |
Supersedes 72/43911 DC. (07/2005) Inactive for the new design. (09/2010)
|
| DocumentType |
Standard
|
| Pages |
24
|
| PublisherName |
British Standards Institution
|
| Status |
Withdrawn
|
| Standards | Relationship |
| UNE-EN ISO 12228-1:2014 | Identical |
| BS 7085:1989 | Guide to safety aspects of experiments in which people are exposed to mechanical vibration and shock |
| ISO 2631:1978 | Guide for the evaluation of human exposure to whole-body vibration |
| BS 2475:1964 | Specification for octave and one-third octave band-pass filters |
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