Lamp unit having glass reflector member with mount structure

Details Lamp unit having glass reflector member with mount structure Lamp unit having glass reflector member with mount structure

1986-07-23

1988-11-15

Myhre, Charles J.

Illumination

Plural light sources

Diverse light generators

362296, H01R 3300

Patent

active

047853832

ABSTRACT:
A molded glass reflector member for a lamp unit employing a tungsten halogen lamp as the light source is disclosed wherein the engagement means for mounting said lamp unit replaceably in a socket member includes a particular configuration of the hollow cavity portion of the said reflector member to enable improved lamp focus and physical retention of said lamp unit in its socket. Specifically, said hollow cavity end protruding from the rear side of said reflector member includes both a recessed engagement surface for mounting said lamp in the socket member so as to position the illumination emerging from said reflector member more accurately along with additional molded depressions located on opposing exterior surfaces of said elongated cavity which cooperates with said recessed engagement surface to still more accurately position the lamp in said socket member. In a preferred embodiment, the recessed opening is formed by spaced apart shoulders extending from the inner walls of the protruding hollow cavity while said elongated cavity further includes flat tapered exterior surfaces having shallow depressions therein which engage protuberances located in the socket member.

REFERENCES:
patent: 1992041 (1935-02-01), Roper et al.
patent: 2086108 (1937-07-01), Wuelker
patent: 3432629 (1969-03-01), Field et al.
patent: 3639750 (1972-02-01), Anthonijsz
patent: 4021659 (1977-05-01), Wiley
patent: 4219870 (1980-08-01), Haraden et al.
patent: 4376967 (1983-03-01), Hough
patent: 4499526 (1985-02-01), Tarnay

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