Illumination – Light source and modifier – With sealing means or artificial atmosphere
Patent
1995-12-22
1997-09-16
Cariaso, Alan
Illumination
Light source and modifier
With sealing means or artificial atmosphere
362378, 439280, F21V 3102
Patent
active
056672969
ABSTRACT:
A water-tight Christmas tree light which includes a lamp socket having an outward flange around one end thereof, an outer projecting wall raised around the periphery, and an outside annular groove around the periphery between the outward flange and the outer projecting wall; a lamp bulb fastened to the lamp socket; and a rubber sealing cap having a tapered, hollow, cylindrical cap body mounted on the lamp socket around the lamp bulb to seal the gap between the lamp socket and the lamp bulb, an inward top flange pressed on the periphery of the lamp bulb, a chamfered bottom edge forced into the outside annular groove of the lamp socket, an inside annular flange, an inside projecting wall disposed between the inside annular flange and the chamfered bottom edge, the inside annular flange stopped against and between the inside projecting wall and the periphery of the lamp bulb, and an inside annular groove defined within the cap body and the inside projecting wall to snugly receive the outer projecting wall of the lamp socket.
REFERENCES:
patent: 4660916 (1987-04-01), Williams, Jr.
patent: 5100335 (1992-03-01), Yamamoto
patent: 5109324 (1992-04-01), Ahroni
patent: 5350315 (1994-09-01), Cheng et al.
patent: 5439389 (1995-08-01), Cheng et al.
patent: 5474467 (1995-12-01), Chen
Cheng Tzu-Ling
Cheng You-Jen
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