Vehicle geometry checking apparatus
First Claim
Patent Images
1. A lightweight, collapsible apparatus for checking vehicle geometry comprising in combination:
- (a) a pointer bar assembly used as a trammel and for checking toe measurements, comprising a horizontal bar member hinged at the center of its length, a means for vertical support attached by hinges to said horizontal bar member, and a plurality of pointers attached by means for sliding to said horizontal bar member, said pointers being perpendicular to said horizontal bar member in a direction opposite said means for vertical support; and
(b) an adjustable square bar assembly for providing a reference line perpendicular to a vehicle frame comprising a straight bar member hinged at the center of its length, and a plurality of reference bars perpendicularly attached to said straight bar member so that T'"'"'s are formed.
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Abstract
A lightweight, collapsible, easily transported apparatus for checking the geometry of a vehicle'"'"'s frame and axles. The apparatus comprises a pointer bar assembly for use as a trammel and for checking toe measurements of steering axle tires, and an adjustable square bar assembly for providing a reference line perpendicular to a vehicle'"'"'s frame. In its preferred embodiment, the apparatus is especially well suited for checking the frame and axle alignment of tractors with two or more drive axles, and trailers having two or more axles.
19 Citations
6 Claims
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1. A lightweight, collapsible apparatus for checking vehicle geometry comprising in combination:
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(a) a pointer bar assembly used as a trammel and for checking toe measurements, comprising a horizontal bar member hinged at the center of its length, a means for vertical support attached by hinges to said horizontal bar member, and a plurality of pointers attached by means for sliding to said horizontal bar member, said pointers being perpendicular to said horizontal bar member in a direction opposite said means for vertical support; and (b) an adjustable square bar assembly for providing a reference line perpendicular to a vehicle frame comprising a straight bar member hinged at the center of its length, and a plurality of reference bars perpendicularly attached to said straight bar member so that T'"'"'s are formed. - View Dependent Claims (2, 3, 4, 5, 6)
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Specification