Front loading projection unit with snap in capsule

Details Front loading projection unit with snap in capsule Front loading projection unit with snap in capsule

1980-12-03

1983-09-06

Walsh, Donald P.

Illumination

Plural light sources

Diverse light generators

362263, 362306, 362350, 362396, H01R 3300

Patent

active

044032765

ABSTRACT:
An improved projection unit which enables front removal of the unit's tungsten halogen projection lamp from the unit's glass reflector. A first retention means in the form of a boxlike metallic "can" is secured to the lamp's press-sealed end and held in place by a pair of depressible, cantilever springs, each of which is secured to opposing sides of the metallic can and capable of being depressed to enable insertion and removal of the lamp and can components. At full insertion of the lamp, each spring deflects to an expanded position to engage the reflector's neck and provide the desired retention.

REFERENCES:
patent: 1761344 (1930-06-01), Huber
patent: 2765581 (1956-10-01), Adler
patent: 3409858 (1968-11-01), Krehbiel
patent: 4219870 (1980-08-01), Haraden

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