Method for checking wheel alignment of front and rear wheel syst

Details Method for checking wheel alignment of front and rear wheel syst Method for checking wheel alignment of front and rear wheel syst

1980-02-28

1982-01-19

Punter, William H.

Optics: measuring and testing

Angle measuring or angular axial alignment

With screen

33288, G01B 11275, G01B 1127

Patent

active

043113869

ABSTRACT:
A laser beam emitter is placed at the level of each front wheel and a first laser beam is projected transversely in front of the vehicle onto a first receiver placed in front of the other front wheel. A second laser beam emerging from the same emitter is projected onto a reflecting mirror placed at the level of the corresponding rear wheel and the reflected laser beam is transmitted to a second receiver. The different distances read on the receivers are transmitted to the memory of an electronic computer which automatically determines the values of the angles of toe-in and toe-out of the front or rear wheels as well as the set-back or relative axial displacement between the front wheels.

REFERENCES:
patent: 3782831 (1974-01-01), Senften
patent: 4058903 (1977-11-01), Wilkerson
patent: 4095902 (1978-06-01), Florer et al.
patent: 4097157 (1978-06-01), Lill
patent: 4106208 (1978-08-01), Hunter
patent: 4239389 (1980-12-01), Hollandsworth et al.

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