Illumination – Light source and modifier – With sealing means or artificial atmosphere
Patent
1980-04-04
1982-05-18
Lechert, Jr., Stephen J.
Illumination
Light source and modifier
With sealing means or artificial atmosphere
362268, 362308, 362331, 362339, 362374, 362375, F21V 2900
Patent
active
043308147
ABSTRACT:
Luminaire has refractor with a hinged door to provide access to the enclosed lamp for re-lamping operations. A prismatic optical device is provided on the luminaire to indicate when the door is fully closed on the refractor.
REFERENCES:
patent: 3291979 (1966-12-01), Logan
Baldwin Samuel L.
Hogue Marcus P.
General Electric Company
Kempton Lawrence R.
Lechert Jr. Stephen J.
Legree Ernest W.
Schlamp Philip L.
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