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Gauging system for vehicle alignment equipment

  • US 4,731,936 A
  • Filed: 10/16/1985
  • Issued: 03/22/1988
  • Est. Priority Date: 10/16/1985
  • Status: Expired due to Fees
First Claim
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1. Improved apparatus for measuring the location of selected reference points on a vehicle relative to other selected reference points on a vehicle or reference planes associated with said vehicle, said vehicle of the type having a longitudinal axis extending from the front to the back of the vehicle, said apparatus comprising, in combination:

  • a first transverse bar member;

    means for fixing the first bar member to the vehicle substantially transverse to the longitudinal axis of the vehicle;

    a second transverse bar member;

    means for fixing the second bar member to the vehicle substantially transverse to the longitudinal axis of the vehicle, parallel to and spaced generally horizontally from the first bar member in a common, generally horizontal plane;

    a longitudinally extending measuring bar positioned to extend generally parallel to the longitudinal axis of the vehicle and perpendicular to the first and second transverse bar members, said measuring bar including a first longitudinal member telescopically and slidably receiving a second longitudinal member and including indicating means for measuring the telescoped position of the second longitudinal member relative to the first member;

    mounting means for slidably mounting the measuring bar simultaneously on both transverse members, said mounting means including means for maintaining the measuring bar continuously movable and slidable as a unit toward and away from the longitudinal axis while remaining at all times substantially parallel to the longitudinal axis and generally perpendicular to the transverse members to define a rigid framework;

    first means for measuring the position of the measuring bar in the transverse direction relative to a known point on both of the transverse bar members; and

    said indicating means comprising a coiled tape measure with the end thereof extending from the first longitudinal member around a fixed point on the second longitudinal member and attached to the first member to form a loop which extends or retracts in response to telescopic extension or retraction of the second longitudinal member relative to the first member.

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