Automobile wheel alignment device and method

Details Automobile wheel alignment device and method Automobile wheel alignment device and method

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

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