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Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
Hardcopy , PDF
02-08-2013
English
06-09-1974
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'
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