Recessed indirect fluorescent light fixture with flexible reflec

Details Recessed indirect fluorescent light fixture with flexible reflec Recessed indirect fluorescent light fixture with flexible reflec

1997-07-31

1999-11-23

O'Shea, Sandra

Illumination

Housing

Recessed

362278, 362320, 362303, 362217, F21V 712

Patent

active

059888369

ABSTRACT:
An indirect fluorescent lighting fixture with a self-contained curved reflector is enclosed in a square housing that fits into an inverted T-bar grid cell of a suspended ceiling in place of 2'.times.2' ceiling tile, or it can be permanently mounted in a wall or ceiling. A centrally located fluorescent tube, extending between two opposite sides of the enclosure, is enclosed from view by a U shaped shield. The reflector, disposed above the tube directing light downwardly into a targeted room region, can be made with a single concave curvature for narrower "spotlight" applications or with a dual concave curvature for wider field applications. The reflector is held in place in a self-stressed condition between a pair of end channels such that its shape can be controlled by varying its length. The illumination pattern can be controlled and modified by a combination of shaping the reflector's curvature and selection of its reflective surface properties. An embodiment made with a dual concave curvature reflector surfaced with small ramp ridges provides wide angle coverage free of high angle glare, enabling uniform coverage of large areas with multiple optimally spaced fixtures.

REFERENCES:
patent: 1888103 (1932-11-01), Guth
patent: 1900551 (1933-03-01), Guth
patent: 4409646 (1983-10-01), Baliozian
patent: 5142459 (1992-08-01), Swarens

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