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Method of and apparatus for aligning vehicle front and rear wheels

  • US 4,416,065 A
  • Filed: 01/29/1982
  • Issued: 11/22/1983
  • Est. Priority Date: 01/29/1982
  • Status: Expired due to Fees
First Claim
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1. In apparatus for aligning the front and rear wheels of a vehicle relative to the geometric center line of the vehicle, the combination of:

  • means carried by the front wheels of the vehicle for projecting light beams forwardly and for projecting other light beams rearwardly toward the rear wheels;

    reticles in said other light beam projecting means forming a pattern which includes horizontally positioned scales and images representing zero positions on the horizontal scales;

    means carried by the rear wheels of the vehicle in position presenting targets for the reticle formed patterns projected rearwardly by said other light beam projectors, said targets including horizontal scales for cooperation with said vertically positioned index lines of said reticles and reflective surfaces for cooperation with said horizontally positioned scales of said reticles to reflect the horizontal scales toward the front wheels; and

    target screens carried by said front wheels in rearwardly facing positions for receiving the horizontally positioned scales as reflected from said reflective surfaces carried by said rear wheels, said target screens presenting vertically oriented index lines for cooperation with said reflected horizontally positioned reticle scales and vertically positioned index lines.

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