Overhead lamp assembly

Details Overhead lamp assembly Overhead lamp assembly

1994-04-01

1996-04-16

Lazarus, Ira S.

Illumination

Sound equipment illuminator

362 74, 362 833, 362287, B60Q 302

Patent

active

055088970

ABSTRACT:
A lamp assembly includes a light transmissive diffusion plate having at least one lens positioned therein and a movable light source which can selectively be moved from a position aligned with the lens for providing spot lighting or positioned behind the diffusion plate for providing general interior illumination for the vehicle. In a preferred embodiment of the invention, a circuit board includes a light source mounted thereon and electrical contacts and is rotatably coupled behind a diffusion plate by a control knob extending through the diffusion plate and accessible to the vehicle operator such that by rotation of the knob, the light source is selectively moved between at least one spotlighting position and a diffuse lighting position.

REFERENCES:
patent: 2225401 (1940-12-01), Levy
patent: 2249357 (1941-07-01), Graham
patent: 2957073 (1960-10-01), Legge
patent: 3953724 (1976-04-01), Ouchi
patent: 4100591 (1978-07-01), Schael
patent: 4182532 (1980-01-01), Walker, Sr.
patent: 4336579 (1982-06-01), Lord
patent: 4499528 (1985-02-01), Hawlitzki
patent: 4686609 (1987-08-01), Dykstra et al.
patent: 5070434 (1991-12-01), Suman et al.

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