• 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    Withdrawn A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.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

    Available format(s):  Hardcopy, PDF

    Withdrawn date:  02-08-2013

    Language(s):  English

    Published date:  06-09-1974

    Publisher:  British Standards Institution

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    Table of Contents - (Show below) - (Hide below)

    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'

    Abstract - (Show below) - (Hide below)

    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.

    General Product Information - (Show below) - (Hide below)

    Committee AGE/6
    Development Note Supersedes 72/43911 DC. (07/2005) Inactive for the new design. (09/2010)
    Document Type Standard
    Publisher British Standards Institution
    Status Withdrawn

    Standards Referenced By This Book - (Show below) - (Hide below)

    BS 7085:1989 Guide to safety aspects of experiments in which people are exposed to mechanical vibration and shock

    Standards Referencing This Book - (Show below) - (Hide below)

    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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