Illumination – With static structure – Wall or ceiling
Reexamination Certificate
2006-09-19
2006-09-19
Alavi, Ali (Department: 2875)
Illumination
With static structure
Wall or ceiling
C362S364000
Reexamination Certificate
active
07108394
ABSTRACT:
A line of recessed low-glare lighting fixtures provides a totally built-in architectural recessed appearance: a special cast mounting unit has a recessed duct portion formed integrally with a flat face flange portion defining a light-exit opening. The face flange portion becomes plastered in place in a wall or ceiling with the duct portion supporting the light source and associated components. In a main embodiment for ceiling deployment, the face flange portion is made square, the light-exit opening and the duct portion can be made circular or rectangular, typically square, In an offset hidden source embodiment, usually wall-mounted with a rectangular light-exit opening to “wash” either a ceiling or a floor region, the recessed duct portion is curved and shaped to serve as a reflector surface for desired illumination distribution. The light source can be incandescent, fluorescent or metal halide, in a selection of wattage ratings. The mounting unit can be cast in different sizes according to wattage ratings. Non-metallic casting material prevents plaster cracking.
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Alavi Ali
McTaggart J. E.
Sawhney Hargobind S.
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