Patent ID: 6905232
Filing Date: 2005-06-14
Classification: F21S,F21V

Abstract:
1. An improved lamp structure for assembling comprising: a lamp housing which is a cone-shaped barrel with a receiving space, and has holes on the surface for extending an electric wire through, and a stepped portion on the inner wall with an engagement block; a circular ring piece placed in said lamp housing supported and fixed by said stepped portion, an engagement recess on an external periphery of the circular ring piece to make engagement of said engaging block in said recess, and on one side of said circular ring piece at least one compressible ridge with at least one notch; a lamp holder for receiving a lamp bulb, and having a protrusion located on an external periphery thereof such that when the lamp holder is mounted in the lamp housing, the lamp holder abuts against the circular ring piece to thereby be fixed on the circular ring piece, and a lamp locking-collar that is a circular sleeve with a reduced neck portion adapted to connect to said lamp holder when said circular ring piece and said lamp holder are sequentially placed in said lamp housing.