Illumination – Elongated source light unit or support – With or including transparent or translucent member
Patent
1996-09-10
1998-09-08
Yeung, James C.
Illumination
Elongated source light unit or support
With or including transparent or translucent member
362217, 362225, 362260, F21S 300
Patent
active
058035885
ABSTRACT:
A luminaire for luminescent light sources includes: (i) an extruded tubular `U`-shaped housing having a longitudinal external male dovetail shoulder on one side, a longitudinal external female dovetail channel on its other side, a longitudinal external female dovetail channel on the bottom, two terminating longitudinal `C`-channel tracks one along the edge of each side leg, and two diametrically opposing interior longitudinal `C`-channels; (ii) a mounting plate secured by screws received within the internal `C`-channels at each end of the housing; (iii) electrical power mounting sockets secured to the end plates; (iv) luminescent light tubes mounted in the sockets extending longitudinally within the housing; (v) a reflector surface curling around the luminescent light tubes within the housing; (vi) retractable endcaps resiliently secured by spring biased screws to each endplate closing each end of the housing; and a longitudinal curved transparent lens element having beaded side edges shaped for capture by and sliding within the terminating longitudinal `C`-channel tracks. The external dovetail side and bottom channels and dovetail shoulders of the invented luminaire interlock with those of another of the invented luminaires allowing a plurality of the luminaires to be connected or ganged together. The retractable endcaps of the invented luminaire include stops registering with the side longitudinal external male dovetail shoulder at one end of the housing and the side longitudinal external female dovetail channel at the opposite end of the housing for arresting sliding translation of an interlocked adjacent luminaire.
REFERENCES:
patent: 4447859 (1984-05-01), Raczynski
patent: 4464707 (1984-08-01), Forrest
patent: 5032958 (1991-07-01), Harwood
patent: 5412551 (1995-05-01), Newell
patent: 5521804 (1996-05-01), Degelmann et al.
Newhouse David E.
Videssencee, Inc.
Yeung James C.
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