Vehicle geometry checking apparatus

Details Vehicle geometry checking apparatus Vehicle geometry checking apparatus

1982-01-06

1983-11-08

Stearns, Richard R.

Geometrical instruments

Area integrators

Electrical

33193, 3320317, 33335, G01B 525, G01B 5255

Patent

active

044134207

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.

REFERENCES:
patent: 1804448 (1931-05-01), Wochner
patent: 2098749 (1937-11-01), Johnston
patent: 2434205 (1948-01-01), Fields
patent: 2542561 (1951-02-01), Olejniczak
patent: 3460264 (1969-08-01), Cluchey
patent: 3686770 (1972-08-01), Davis
patent: 4271599 (1981-06-01), Pavitt
patent: 4366624 (1983-01-01), Bergstrom
Reyco, "Suspension Systems and Brake Drums for the Trucking Industry", undated, 3 pages.
Bear, "Wheel Alignment and Balancing Equipment", 1973, pp. 1, 29 and 30.
Bear, "Bear Alignment Racks and Accessories", 1979, pp. 11 and 12.

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