Illumination – Light source and modifier – With ventilating – cooling or heat insulating means
Patent
1997-04-21
1999-07-13
O'Shea, Sandra
Illumination
Light source and modifier
With ventilating, cooling or heat insulating means
362431, 362363, F21V 2900
Patent
active
059216638
ABSTRACT:
A street light, outdoor light or the like is mounted on a tubular pole or similar vertical holder and has a lamp socket and a bulb. A lampshade to be detachably connected to the lamp socket includes a plastic transparent bulb cover for surrounding the bulb at a given level. The bulb cover has a sharply offset zone with a cross-sectional enlargement at the given level, an upper end with a domelike bulge and a lower edge with one component of a bayonet mount for connection to the lamp socket. A sheet-metal shade ring disposed inside the bulb cover at the given level is nondisplaceably fixed in axial direction in the enlargement. A lamp canopy disposed above the bulb outside the bulb cover has a central opening through which the domelike bulge protrudes and beyond which the domelike bulge extends. A funnel-shaped metal heat shield body is disposed inside the domelike bulge and spaced apart from the bulb cover.
REFERENCES:
patent: 3679891 (1972-07-01), Quack
patent: 4434455 (1984-02-01), Merritt
patent: 4719548 (1988-01-01), Orosz
patent: 5406466 (1995-04-01), Stokes
Elkamet Kunststofftechnik GmbH
Greenberg Laurence A.
Hopper Todd Reed
Lerner Herbert L.
O'shea Sandra
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