Lamp assembly for emitting a beam of light at an angle to its op

Details Lamp assembly for emitting a beam of light at an angle to its op Lamp assembly for emitting a beam of light at an angle to its op

1985-09-24

1987-03-24

Cuchlinski, Jr., William A.

Illumination

Sound equipment illuminator

340 87, 362268, 362309, 362331, B60Q 100, F21V 500

Patent

active

046529799

ABSTRACT:
A lamp assembly is disclosed as adapted for use as a supplemental high mounted stop lamp to be installed just interiorly of a steeply slanting rear window of a motor vehicle. A lamp housing has a light source disposed therein, and two generally planar lens members are mounted at the open front end of the lamp housing in parallel spaced relation to each other. The inner lens member is configured to provide a Fresnel lens effective to render the light rays from the source parallel to the principal axis of the lamp assembly, thereby superseding the paraboloidal reflector heretofore employed to the same end. The outer lens member has a plurality of prismatic lens segments for internally reflecting the parallel rays from the inner lens member in a predetermined direction at a considerable angle to the lamp assembly axis. Preferably, the two lens members are further so molded as to impart both lateral and vertical divergence to the light beam emitted by the lamp assembly.

REFERENCES:
patent: 3436758 (1969-04-01), Kluth
patent: 3517384 (1970-06-01), Jablonski
patent: 4158222 (1979-06-01), Cook
patent: 4463411 (1984-07-01), Proctor
patent: 4488141 (1984-12-01), Ohlenforst et al.
patent: 4542448 (1985-09-01), Yamai et al.
patent: 4577260 (1986-03-01), Tysoe

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