Illumination – With static structure – Wall or ceiling
Patent
1977-05-02
1979-07-10
Lovering, Richard D.
Illumination
With static structure
Wall or ceiling
362148, 362149, 362220, 362260, 362365, 362371, 362391, 362406, F21V 2134, F21V 2114
Patent
active
041610199
ABSTRACT:
A lighting fixture is removably supported within a coffer of a modular suspended ceiling structure by two arms which are retractably mounted at each end of the fixture for movement between extended positions in which they are supported on the top surface of the surrounding ceiling structure and retracted positions to permit vertical lowering or upward insertion of the fixture into the ceiling.
REFERENCES:
patent: 3720432 (1973-03-01), Chudler
patent: 3755667 (1973-08-01), Price
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