Optical system for lamp-mounting elongate roof fixture

Details Optical system for lamp-mounting elongate roof fixture Optical system for lamp-mounting elongate roof fixture

1992-11-25

1994-09-06

Lazarus, Ira S.

Illumination

With static structure

362221, 362351, 362427, 362362, F21S 102

Patent

active

053453697

ABSTRACT:
An improved lamp-mounting elongate roof fixture having a support, a beam over the support and suspended above the roof, and a light source under the beam, and characterized by a mounting plate extending along the support and movably, preferably pivotably, attached to it in a manner facilitating relamping, a lamp socket mounted to the bottom of the mounting plate to support a lamp along an axis perpendicular to the plate, and a reflector and preferably a light-transmissive protective jar, in fixed position on the support. The lamp and reflector are positioned to cast direct and reflected light below the beam and across the roof to illuminate the roof brightly with improved evenness and reduced glare. The mounting plate pivots to move the lamp from its use position in the jar and adjacent to the reflector to a raised position for relamping.

REFERENCES:
patent: 3293426 (1966-12-01), Zeitz et al.
patent: 5081567 (1992-01-01), Weiss

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