Optics: measuring and testing – Angle measuring or angular axial alignment – With screen
Patent
1976-03-01
1978-06-20
Corbin, John K.
Optics: measuring and testing
Angle measuring or angular axial alignment
With screen
G01B 11275
Patent
active
040959023
ABSTRACT:
An apparatus and method for measuring toe in vehicle wheels. The apparatus ordinarily includes a pair of head units. Each of the head units is mounted upon one of the front wheels of the vehicle. Each head unit includes a projecting element for projecting a light beam generally laterally across the front of the vehicle and onto a target on the opposite head unit in determining front toe of the respective front wheels. Each head unit can also project a beam generally axially from the front wheel of the vehicle to a reflector on the adjacent rear wheel for determination of rear toe of the respective rear wheels. A metering device is connected operatively to signal generators on the head units for determining the toe in each front wheel in relation to a thrust-line reference calculated from the total rear toe of the vehicle.
REFERENCES:
patent: 2292968 (1942-08-01), Peters
patent: 2601262 (1952-06-01), Carrigan
patent: 3865492 (1975-02-01), Butler
Florer Richard H.
Puetz Peter A.
Applied Power Inc.
Corbin John K.
Rosenberger R. A.
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