Support structure for electric lighting fixtures

Details Support structure for electric lighting fixtures Support structure for electric lighting fixtures

2005-09-20

2005-09-20

Sember, Thomas M. (Department: 2875)

Illumination

Supports

Clamp or hook

C362S404000, C024S598400, C294S082190

Reexamination Certificate

active

06945676

ABSTRACT:
Structure for supporting a lighting fixture includes a connector hook assembly releasably connected to a connector element extending from a support canopy. The connector hook assembly includes two relatively moveable connector hook members biased to a closed condition by a spring. One of the connector hook members has an internally threaded base for connection to a lamp suspension arm. Wiring passes from the suspension arm through an area formed by the internal threads of the base and through an aperture formed in the internally threaded connector hook member.

REFERENCES:
patent: 1731942 (1929-10-01), Simmons
patent: 2791817 (1957-05-01), Burnham
patent: 3430307 (1969-03-01), Burnham
patent: 4039220 (1977-08-01), Stoops
patent: 4852840 (1989-08-01), Marks
patent: 5769475 (1998-06-01), Tylaska

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