Illumination – Curvilinear light source
Patent
1987-10-07
1989-05-16
Lazarus, Ira S.
Illumination
Curvilinear light source
362260, 362294, F21S 500
Patent
active
048315052
ABSTRACT:
A circular flourescent tube light fixture for a ceiling fan, particularly one suspended from a low ceiling. The light holder is adjustable upward when a deep concave light reflector is used and is adjustable downward when a flat light shield is used. The holder fits around a tubular housing that mounts on the lower center end of the ceiling fan mechanism. Within this housing is the transformer, starter, and wiring that extends between the ceiling fan motor and the flourescent tube light. A friction spring fits between the light holder and tubular housing to retain the holder in upward position when a deep concave light reflector is used. It also prevents rotation of the holder relative to the housing as an electrical safety measure since electrical wiring extends between them. In one embodiment the light reflector is fastened to the base of the tubular housing and in another it is attached to the holder and moves vertically with the tube light.
REFERENCES:
patent: 2589760 (1952-03-01), Zelt
patent: 4258287 (1981-03-01), Hetzel
patent: 4278911 (1981-07-01), Metoff
patent: 4316120 (1982-02-01), Cotman et al.
patent: 4327402 (1987-04-01), Aubrey
patent: 4342073 (1982-07-01), Ranten
patent: 4685038 (1987-08-01), Huang
Hagarman Sue
Lazarus Ira S.
Richardson Robert O.
Van Norman Marcia
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