Long field lamp

Details Long field lamp Long field lamp

1988-07-11

1990-03-06

Lazarus, Ira S.

Illumination

With static structure

Wall or ceiling

362217, 362368, 362260, F21S 300

Patent

active

049071386

ABSTRACT:
For the uniform illumination of rooms that have no special demands in terms of freedom of glare and reflective behavior, simply fashioned long field lamps are provided wherein a fluorescent tube is located in freely radiating fashion under a housing containing electrical components. The channel-like housing has a U-shaped cross-section and is mounted on an installation track fastened to a ceiling or wall and is provided with a cover on both face sides. In order to shorten installation time, the long field lamp has a simple structural design. A cover track representing the actual installation track is designed in common with end parts having plug-in ledges. These ledges plug onto narrow sides of the cover track to form a ceiling installation frame into which the housing is introduced from below and to which the housing is latchably held.

REFERENCES:
patent: 2309182 (1943-01-01), Giles etal.
patent: 2316404 (1942-07-01), Carter
patent: 2324683 (1943-07-01), Despard
patent: 3014680 (1961-12-01), Steinbach
patent: 3599911 (1971-08-01), Monte
patent: 4208702 (1980-06-01), Wotoweic
patent: 4238815 (1980-12-01), Price

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