Illumination – Curvilinear light source
Patent
1977-07-22
1979-04-10
Engle, Samuel W.
Illumination
Curvilinear light source
362260, 362306, F21S 500
Patent
active
041492269
ABSTRACT:
A lighting fixture of square, rectangular or triangular shape consisting of a completely enclosed metal box within which the wiring and ballast transformers are contained, with integral portions of the box providing supports for one or more fluorescent lamps and thereby completely eliminating the need to secure to the body of the fixture separate support clips for the lamps. Reductions in material and manufacturing costs as well as shipping costs are realized because of reductions in material used, assembly time and physical size. The closed box configuration permits open suspension mounting, and the geometry is such that heat to which the ballasts are subjected is reduced.
REFERENCES:
patent: 2538681 (1951-01-01), Gangbin
patent: 2943238 (1960-06-01), Reaves
patent: 3742208 (1973-06-01), Mills
Engle Samuel W.
Keystone Lighting Corp.
Walsh Donald P.
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