Vibration resistant lamp structure

Illumination – Housing – With closure fastener

Reexamination Certificate

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Details

C362S369000, C362S375000

Reexamination Certificate

active

06905232

ABSTRACT:
A lamp structure including a lamp housing, and a circular ring piece, a lamp holder, and a lamp locking-collar all assembled in the lamp housing sequentially. The lamp housing has holes on a surface for extending a wire through and has a stepped portion on an inner wall. The circular ring piece is placed in the lamp housing supported and fixed by the stepped portion. The lamp holder has a space for receiving a lamp bulb, and a protrusion on an external periphery engaging a notch provided on an adjustable compressible portion when the lamp holder is mounted. The lamp holder abuts against and is fixed on the circular ring piece. The lamp locking-collar and the lamp housing both have grooves for an elongated member (spring). The lamp locking-collar has gaskets for a waterproof seal.

REFERENCES:
patent: 1514960 (1924-11-01), Godley
patent: 1667653 (1928-04-01), Cizek
patent: 3716161 (1973-02-01), Julian et al.
patent: 4450508 (1984-05-01), Carley
patent: 4489367 (1984-12-01), Herron et al.
patent: 5477441 (1995-12-01), Budnovitch et al.
patent: 5560707 (1996-10-01), Neer
patent: 5758958 (1998-06-01), Chen
patent: 5927532 (1999-07-01), Traub
patent: 5988833 (1999-11-01), Giese et al.
patent: 6702454 (2004-03-01), Grajetzky et al.

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