Sectional lighting fixture structure

Details Sectional lighting fixture structure Sectional lighting fixture structure

2008-01-08

2008-01-08

O'Shea, Sandra (Department: 2875)

Illumination

Housing

With cooling means

C362S148000, C362S162000, C362S178000, C362S208000

Reexamination Certificate

active

07316489

ABSTRACT:
A sectional lighting fixture structure includes a hollow main body, an end cap connected to and closing a rear open end of the main body, a socket connected to an inner side of a front open end of the main body for a bulb to mount thereto, and a lighting lampshade externally connected to the front open end of the main body. The main body is a lightweight metal cylindrical body having been subjected to expansion process to include two straight walls at the front and rear ends, and a middle portion having a plurality of bellow expansion joints that provides the main body with good pressure resistance. The socket is in the form of a heat-resistant insulating wool, so that heat produced by the bulb mounted thereto is not transmitted to the main body to adversely affect a normal temperature of a ballast mounted in the main body.

REFERENCES:
patent: 2510812 (1950-06-01), Garland et al.
patent: 4495550 (1985-01-01), Visciano
patent: 5630661 (1997-05-01), Fox
patent: 5826972 (1998-10-01), Chiu
patent: 5951153 (1999-09-01), Favela
patent: 2005/0024864 (2005-02-01), Galli

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