Electrical outlet box having captive screw clamp

Electricity: conductors and insulators – Feedthrough or bushing – Compression

Reexamination Certificate

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Details

C174S668000, C174S135000, C248S072000, C411S433000, C439S479000

Reexamination Certificate

active

11254830

ABSTRACT:
The present invention provides a clamp assembly for clamping an electrical wire to the wall of the electrical outlet box. The clamp assembly includes a wire clamp non-rotatably supported in the box adjacent to the wall. The wire clamp has an internally threaded aperture therethrough. A threaded screw assembly is captively retained in the box for rotating movement without longitudinal displacement. The threaded screw extends through the threaded aperture of the clamp such that upon rotating movement of the screw, the clamp is longitudinally movable therealong.

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patent: 5588880 (1996-12-01), Wood
patent: 6064009 (2000-05-01), Jorgensen et al.
patent: 6361382 (2002-03-01), Yamada et al.

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