Illumination – Elongated source light unit or support – With or including transparent or translucent member
Patent
1987-08-21
1989-06-20
Lazarus, Ira S.
Illumination
Elongated source light unit or support
With or including transparent or translucent member
362219, 362376, F21Y 1500
Patent
active
048414182
ABSTRACT:
An explosion-proof fixture generally with a ballast or wire housing has an end housing having inner annd outer walls defining a chamber, aligned openings in the inner and outer walls, and a transparent sleeve having an open end, mounted in the opening in the inner wall. The sleeve is slideable through the openings in the inner and outer walls, and mountable and demountable therethrough. A lamp is mounted within the sleeve. The lamp has a socket on it. The socket is mounted on a bracket assembly which in turn is mounted on a retainer mounted in or on the inner wall of the end housing. The fixture is assembled by first fastening an end housing to one end of an elongated ballast housing, passing an end of the sleeve through the opening in the inner wall of the end housing, sealing the perimeter of the sleeve in the opening adjacent an open end of the sleeve, inserting into the sleeve the lamp mounted on the bracket assembly, and thereafter mounting the bracket assembly on the retainer mounted on or in the inner wall of the end housing.
REFERENCES:
patent: 3014680 (1961-12-01), Steinbach
patent: 3808495 (1974-04-01), Win
patent: 4262327 (1981-04-01), Kovacik et al.
patent: 4435744 (1984-03-01), Russo
patent: 4454569 (1984-06-01), Maguire
patent: 4782430 (1988-11-01), Robbins et al.
Cole Richard R.
Emerson Electric Co.
Lazarus Ira S.
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