Projection unit having removable retention member

Illumination – Light source and modifier – Including reflector

Patent

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Details

362306, 362341, 362350, 362457, F21V 700

Patent

active

041569016

ABSTRACT:
An improved projection unit which comprises a glass reflector, incandescent lamp (e.g. tungsten halogen), and means for maintaining the lamp in established alignment within the reflector. The alignment means includes a retention member which clamps the sealed end portion of the lamp and is designed for rotative positioning within the reflector's neck portion. The retention member and lamp are removable and permit facile replacement thereof.

REFERENCES:
patent: 3789212 (1974-01-01), Wagner

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