Electrical connectors – With circuit conductors and safety grounding provision
Reexamination Certificate
2005-02-22
2005-02-22
Ta, Tho D. (Department: 2833)
Electrical connectors
With circuit conductors and safety grounding provision
C439S803000
Reexamination Certificate
active
06857881
ABSTRACT:
A meter box ground clamp for clamping a ground wire to a metallic meter box includes a clamp body, a pressure bar, a floating nut, a bolt member and a ground engagement bolt. The clamp body has a base segment and first and second leg segments, each of the leg segments having a laterally extending extension segment for engaging the exterior surface of the meter box drip cap. The pressure bar extends through a slot in the clamp body base segment and has a front segment, disposed below the clamp body extension segments, having a laterally extending groove forming a lip at the pressure bar front end. The floating nut extends through the clamp body base segment slot and includes a front portion having a threaded, vertically extending bore. The bolt member is threadably engaged with the bore of the floating nut front portion for driving the lip of the pressure bar front segment into the meter box overlap joint to electrically connect the ground clamp to the meter box. The threaded shaft of the ground engagement bolt is received within a threaded opening of the pressure bar back segment to clamp a ground wire positioned within a bore of the pressure bar segment.
REFERENCES:
patent: 4784621 (1988-11-01), Auclair
patent: 4828504 (1989-05-01), Franks, Jr.
patent: 4904193 (1990-02-01), Graves
patent: 5746609 (1998-05-01), Franks, Jr.
patent: 5928006 (1999-07-01), Franks, Jr.
patent: 6329592 (2001-12-01), Auclair
Alix Yale & Ristas, LLP
Electric Motion Company, Inc.
Ta Tho D.
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