Optics: measuring and testing – Angle measuring or angular axial alignment – With screen
Patent
1987-12-14
1989-08-08
Evans, F. L.
Optics: measuring and testing
Angle measuring or angular axial alignment
With screen
33288, G01B 11275
Patent
active
048547026
ABSTRACT:
A vehicle wheel alignment and checking apparatus for front and rear wheels in which the apparatus has active light beam projecting instruments mounted on the front wheels to project beams longitudinally and transversely between the wheels of the vehicle, passive wheel position instruments on the wheels for reflecting incident beams to the active instruments, a system of mirrors associated with the active and passive instruments and beam targets for utilizing the system of mirrors and targets to find the alignment information, and alignment data indicators responsive to the manipulation of the active instruments and responses from the passive instruments for visually revealing the alignment data and aiding in adjusting the wheels to specified alignment values.
REFERENCES:
patent: 3953134 (1976-04-01), Appel et al.
patent: 4095902 (1978-06-01), Florer et al.
patent: 4097157 (1978-06-01), Lill
patent: 4154531 (1979-05-01), Roberts, Jr. et al.
patent: 4239389 (1980-12-01), Hollandsworth et al.
patent: 4265537 (1981-05-01), Hunter
patent: 4311386 (1982-01-01), Coetsier
patent: 4416065 (1983-11-01), Hunter
Evans F. L.
Hunter Engineering Company
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