Illumination – Elongated source light unit or support – With or including transparent or translucent member
Patent
1997-02-07
1999-06-01
Husar, Stephen
Illumination
Elongated source light unit or support
With or including transparent or translucent member
362290, 362342, 362375, F21S 300
Patent
active
059082348
ABSTRACT:
The luminaire has a housing (1) with a light emission window (2), and side reflectors (5) and lamellae (7), which may constitute a louver (8), in the housing (1). The light emission plane (2) is closed during transport by means of a shaped plastic sheet (10), which has a base plane (11) and opposed walls (12) connected thereto. The shaped plastic sheet (10) enters the housing with its walls (12) and thereby keeps its position fixed. The shaped sheet (10) can easily be removed when there is no longer a risk of the louver (8) becoming polluted.
REFERENCES:
patent: 4262327 (1981-04-01), Kovacik et al.
patent: 4494175 (1985-01-01), Gawad et al.
patent: 5101331 (1992-03-01), Katoh et al.
patent: 5144539 (1992-09-01), Katoh et al.
patent: 5186537 (1993-02-01), Katoh et al.
patent: 5510965 (1996-04-01), Teakell
Faller F. Brice
Husar Stephen
U.S. Philips Corporation
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