Vehicle frame alignment apparatus

  • US 4,262,519 A
  • Filed: 11/16/1978
  • Issued: 04/21/1981
  • Est. Priority Date: 10/10/1978
  • Status: Expired due to Term
First Claim
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1. A vehicle frame alignment apparatus comprising a pair of substantially parallel tracks upon which a vehicle may rest, at least one transversely extending beam suspended beneath said tracks, said beam being longer than the spacing between said tracks and having an upright pillar at each end thereof, said pillars being respectively on opposite sides of said pair of tracks and provided with anchorage means for attachment of straining members for applying a plurality of variously directed loads to said vehicle, said beam being suspended beneath said tracks by a pair of suspension units, each suspension unit comprising a top and bottom carriage each having rollers and mutually interconnected by a substantially vertical shaft so as to be relatively rotatable about the axis of said shaft, each of said tracks having fixedly associated and extending substantially parallel therewith a pair of longitudinally extending track rails spaced one from the other along which the rollers of said top carriage ride, said transverse beam having fixedly associated and extending substantially parallel therewith a pair of longitudinally extending beam rails spaced one from the other and bearing upon the rollers of said bottom carriage over which said beam rails ride, the rollers of said top carriage supporting said beam for movement longitudinally of said tracks, the rollers of said bottom carriage supporting said beam for transverse movement relative to said tracks, the rotational mounting of said carriages permitting the beam to pivot in a generally horizontal plane as the opposite ends of said beam are moved to different relative positions along said tracks, and locking means for locking said beams in each of said positions.

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