Vehicle headlight testing apparatus

Details Vehicle headlight testing apparatus Vehicle headlight testing apparatus

1977-02-07

1979-01-16

Corbin, John K.

Optics: measuring and testing

Lamp beam direction or pattern

250209, 307311, G01J 104, G01J 146

Patent

active

041346807

ABSTRACT:
A vehicle headlight testing apparatus incorporating alignment means to locate the headlight aiming relative to the plane of tracking of the rear wheels of a vehicle, means to bring the tester into a position to compensate for shop floor out-of-level conditions, and optical and photo-electrical means for locating the headlight beam pattern and for manipulating the tester so that horizontal and vertical scales will show whether the headlight has its beam aimed within tolerances permitted by the prevailing Lighting Inspection Code.

REFERENCES:
patent: 2291114 (1942-07-01), Squyer
patent: 2552116 (1951-05-01), Rodeghiero
patent: 2958134 (1960-11-01), Wilkerson
patent: 2979983 (1961-04-01), Carrigan
Powell, K. E., "Field Disburbance Sensing Unit", IBM Tech. Disc. Bull. vol. 18, 12-1975, pp. 2275-2276.

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