Line of sight wheel alignment apparatus for vehicles

Details Line of sight wheel alignment apparatus for vehicles Line of sight wheel alignment apparatus for vehicles

1979-10-15

1982-07-06

Corbin, John K.

Optics: measuring and testing

Angle measuring or angular axial alignment

With screen

3320312, G01B 1126

Patent

active

043380271

ABSTRACT:
An apparatus for detecting the alignment of the wheels of vehicles such as automobiles, truck tractors and trailers, includes an adjustable, wheel-engaging and target supporting structure mountable upon a vehicle wheel rim and has spaced arms extended laterally from cardinal points of the wheel. Indicia bearing targets respectively located on the arms provide scales for indicating the angular alignment of the vehicle wheels for conventional measurements such as caster, camber, toe-in, and steering axis cant. A sighting instrument establishes a line of sight parallel to and longitudinally spaced from the vehicle. The line of sight is directed toward a target and impinges upon a discrete mark on the scale thereof. Comparison of the points of impingement upon targets located at opposite cardinal points establishes angular relations therebetween which correspond to alignment measurements.

REFERENCES:
patent: 2249226 (1941-07-01), Peters
patent: 2755554 (1956-07-01), MacMillan
patent: 2972189 (1961-02-01), Holub
patent: 3091862 (1963-06-01), MacMillan
patent: 3135052 (1964-06-01), MacMillan
patent: 3159916 (1964-12-01), Hunter
patent: 3206862 (1965-09-01), Hunter
patent: 3409990 (1968-11-01), Vorpahl
patent: 3439987 (1969-04-01), Bacher et al.
patent: 3501240 (1970-03-01), Haynes
patent: 3876310 (1975-04-01), Berndt
patent: 3951551 (1976-04-01), MacPherson

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