Patent ID: 6174074
Filing Date: 2001-01-16
Classification: F21S,F21V,F21W

Abstract:
A housing for ballasts with at least one flat surface, comprising:A) first and second walls kept at a parallel and spaced apart relationship with respect to each other and said first wall including an aperture for passing wires therethrough, third and fourth walls also kept at a spaced apart and parallel relationship with respect to each other, said first, second, third and fourth walls having each internal and external surfaces and being connected to each other defining a rectangular cross-section; each of said walls having two opposing free ends defining common edges and two end openings and said first; second walls having interior surfaces including longitudinally extending pairs of ribs that extend substantially parallel and opposite to each other;B) a resilient heat conducting first plate having first and second ends having a cooperative longitudinal dimension to permit said first and second ends to slide between said opposite pair of ribs so that said plate comes in contact with a flat surface of a ballast enclosed within said housing urging said ballast against said third wall thereby maximizing the heat transfer from said ballast to said housing;C) two covers with cooperative dimensions to close said end openings; andD) a lamp holder assembly including a second assembly mounted to one of said covers.