Illumination – Elongated source light unit or support – With means to accommodate additional circuit element
Patent
1991-08-12
1993-10-12
Cole, Richard R.
Illumination
Elongated source light unit or support
With means to accommodate additional circuit element
362226, 362260, 362368, F21V 2300
Patent
active
052531520
ABSTRACT:
A plug-in fluorescent lamp assembly including a lightweight (e.g. plastic) light box that is adapted to either rest upon the existing support grid of a conventional false ceiling in a flush mounted arrangement or be attached directly to the ceiling in a surface mounted arrangement. The lamp assembly comprises a prewired electrical receptacle that is fixedly connected to the light box. Formed at one end of the receptacle is a socket at which the pins of one or more fluorescent tubes are to be removably received. Located at the opposite end of the receptacle is a terminal block that is to be detachably connected to a commercially available electronic ballast by which to drive the fluorescent tubes. By virtue of the plug-in or modular characteristics of the lamp assembly herein described, either a fluorescent tube and/or the ballast may be easily removed and quickly replaced in the event of failure without having to remove the light box from the ceiling or disturb the wiring of the receptacle.
REFERENCES:
patent: 3040170 (1962-06-01), Chwan
patent: 3302059 (1967-01-01), Haire
patent: 3514590 (1970-05-01), Shaeffer
patent: 4626747 (1986-12-01), Nilssen
patent: 4674015 (1987-06-01), Smith
patent: 4692795 (1987-09-01), Nakao
So Gin P.
Yang Thien S.
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