Illumination – Plural light sources – Diverse light generators
Patent
1988-12-05
1989-10-03
Lazarus, Ira S.
Illumination
Plural light sources
Diverse light generators
362365, 362373, H01R 3349
Patent
active
048720976
ABSTRACT:
A lighting fixture includes a reflector lamp having a bulb, a reflector and a bayonet base, a lampholder for holding and connecting the lamp having a proximal end connected to an external source of electrical power and a distal end supporting the base of the lamp. A generally radial flange is contiguous with the distal end of the lampholder and supports a contiguous cylindrical bulb reflector housing coaxially with the lampholder and extends beyond the bulb reflector in the distal direction. The bulb reflector has one or more rotational engagement notches engageable with a tool for installation or removal of the bayonet base of the lamp from the lampholder. A preferred embodiment has a torsion spring is disposed about a screw installed in each of two threaded transverse holes, with the springs having legs resiliently biased towards the distal end of the fixture. The cylindrical bulb reflector housing extends beyond the bulb reflector and is provided with an external radial flange at its distal end; whereby the fixture may be installed in a hole in a ceiling panel that closely fits the bulb reflector housing and the legs of the torsion spring apply force to a top surface of the ceiling panel to pull the external radial flange against the bottom surface of the ceiling panel to retain the fixture in the panel.
REFERENCES:
patent: 2664551 (1953-12-01), Kuebler
patent: 4419716 (1983-12-01), Koo
patent: 4459648 (1984-07-01), Ullman
patent: 4566057 (1986-01-01), Druffel
patent: 4613931 (1986-09-01), Messinger
patent: 4729080 (1988-03-01), Fremont et al.
patent: 4760510 (1988-07-01), Lahti
patent: 4763231 (1988-08-01), Houplain
patent: 4779167 (1988-10-01), Nelson
Cole Richard R.
Lazarus Ira S.
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