Patent ID: 6758576
Filing Date: 2004-07-06
Classification: F21L,F21V,F21W,F21Y

Abstract:
A stack lamp, comprising:two or more lamp units, each comprising: a housing which is a circular disc having a bottom wall and a surrounding wall made of transparent material; a ring-shaped lamp mount, which is supported on a central portion of said bottom wall of said housing, having a circular outer light reflective surface and defining a receiving chamber therein and a light source chamber between said light reflective surface and said surrounding wall of said housing; a light source which is disposed inside said light source chamber of said housing and supported around said reflective surface of said lamp mount; a control circuit, which is disposed in said receiving chamber, comprising a power connector detachably connected to said light source, a power input terminal for supplying electricity to said light source via said power connector, and a power output terminal for extended electrical connection; a bottom attachment fastener provided at a bottom portion of said housing; and a top attachment fastener provided at a top portion of said housing; wherein said top attachment fastener of a lower layer of said lamp units is detachably fastened with said bottom attachment fastener of an upper layer of said lamp units while said power output terminal of said lower layer of said lamp units is connected with said power input terminal of said upper layer of said lamp units, so as to stack up said lamp units in a layer on layer manner to form a stack-up lamp body; a base having a top mounting surface and a bottom supporting surface; means for mounting said stack-up lamp body on said base; means for supporting said base being detachably attached to said bottom supporting surface of said base; and an elongaged electric cord having one end connected with an electric plug and another end provided with a terminal connector to electrically connect with said power input terminal of said lamp unit that is attached to said base.