Apparatus for testing the front wheel alignment of automotive ve

Details Apparatus for testing the front wheel alignment of automotive ve Apparatus for testing the front wheel alignment of automotive ve

1974-10-07

1976-04-20

Corbin, John K.

Optics: measuring and testing

Angle measuring or angular axial alignment

With screen

248467, 350307, G01B 11275

Patent

active

039515516

ABSTRACT:
To test the alignment of the front wheels of an automotive vehicle, the front wheels of the vehicle are driven onto a pair of spaced, parallel rollers, one of which is driven to effect rotation of the front wheels while the vehicle is standing motionless. The hubcaps are removed and a plane mirror is secured by a magnet to the hub of each front wheel. A laser beam is shone onto each mirror through a central hole in a chart. Means is provided for adjusting the the mirror angularly to tilt its plane relative to the axis of the associated spindle of the vehicle. Each mirror can be adjusted so that its plane is perfectly perpendicular to the axis of the spindle. Then the wheels can be accurately tested for toe, run-out and camber.

REFERENCES:
patent: 3501240 (1970-03-01), Haynes
patent: 3758213 (1973-09-01), MacPherson et al.

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