Field repairable explosion-proof fluorescent fixture

Details Field repairable explosion-proof fluorescent fixture Field repairable explosion-proof fluorescent fixture

1990-12-03

1991-08-27

Husar, Stephen F.

Illumination

Elongated source light unit or support

With means to accommodate additional circuit element

362221, 362376, F21V 1700

Patent

active

050438530

ABSTRACT:
An explosion proof fluorescent lamp fixture includes a pair of end housings having aligned openings which removably receive transparent lamp sleeves and a ballast housing. The lamp sleeves are fixed in first annular rings which matingly connect to second annular rings to form labyrinth seals. The second annular rings are removably inserted in the end housing openings. Thus, the fluorescent lamp is easily field reparable. A method of mounting a ballast in the ballast housing is also disclosed.

REFERENCES:
patent: 2392202 (1946-01-01), Tornblom
patent: 2874270 (1959-02-01), Douglass et al.
patent: 4841418 (1989-06-01), Davis

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