Diffuser attachment for a fluorescent lamp fixture

Details Diffuser attachment for a fluorescent lamp fixture Diffuser attachment for a fluorescent lamp fixture

1975-06-25

1977-08-30

Hix, L. T.

Buckles, buttons, clasps, etc.

240106R, H05B 3302

Patent

active

040456650

ABSTRACT:
A light diffuser attachment particularly adapted for use with a self contained fluorescent lamp fixture of the type having a fixture body cover which includes the fluorescent tube and operative components therein and a diffuser receiving flange or rim thereon. The diffuser attachment has a generally box-like configuration and is fabricated from conventional plastic diffuser material so as to have a bottom wall, side walls, end walls and an open top end. Locating and mounting beads are disposed generally longitudinally along the inside of the diffuser side walls adjacent the open end. Selected of the beads on each side wall are laterally spaced apart from each other to define a flange or rim receiving channel therebetween which receives the diffuser receiving flange or rim of the fixture body cover therein. Preferably, the diffuser attachment side walls are bowed slightly arcuately inward toward each other at least adjacent the open top end in order that the side walls will exert a continuous biasing force against the fixture body cover. The overall arrangement is such that heat is dissipated from inside the attachment by small air gaps disposed at each end thereof adjacent the ends of the fixture body cover.

REFERENCES:
patent: 2913575 (1959-11-01), Lipscomb
patent: 2993115 (1961-07-01), Rosenblatt
patent: 3116885 (1964-01-01), Morse
patent: 3168987 (1965-02-01), Heisler
patent: 3188461 (1965-06-01), Lipscomb
patent: 3248533 (1966-04-01), Mathis
patent: 3869606 (1975-03-01), Fordsmand
patent: 3908120 (1975-09-01), Greene

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