Illumination – With static structure – Wall or ceiling
Patent
1989-09-28
1991-03-12
Ostrager, Allen M.
Illumination
With static structure
Wall or ceiling
362277, 362285, 362368, 362372, 362406, F21S 102
Patent
active
049997483
ABSTRACT:
A system for fixedly securing an illumination instrument to a ceiling of a building structure, comprises a flexible suspender adapted to be connected to an under surface of a slab of the building structure and extending generally vertically therefrom, a suspender grasping assembly for releasably grasping the flexible suspender to move therealong in a vertical direction and to be held at any desired height, and engaging member frictionally engaging with an outer periphery of the suspender grasping assembly to hold an illumination instrument support member at a temporal set position.
REFERENCES:
patent: 2762598 (1956-09-01), Runge
patent: 3512743 (1970-05-01), Lipscomb
patent: 4327402 (1982-04-01), Aubrey
patent: 4595969 (1986-06-01), McNair
Hagerman Sue
Ostrager Allen M.
Wittenberg Malcolm B.
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