Cable clamp lock nut wrench

Details Cable clamp lock nut wrench Cable clamp lock nut wrench

2006-02-21

2006-02-21

Wilson, Lee D. (Department: 3723)

Tools

Wrench, screwdriver, or driver therefor

Rigid jaws

C081S177700, C081S177800, C081S177900, C081S176150, C081S900000

Reexamination Certificate

active

07000506

ABSTRACT:
The invention relates to a wrench for manipulating lock nuts on cable clamps and conduit for securing electrical cable or conduit to electrical boxes. The wrench is useful for accessing difficult positions in a box such as securing a cable to a corner opening or in a back row of a box having multiple rows of cables. The wrench comprises a central handle shaft, two transition sections, one extending on either side of the handle shaft, and two arc shaped heads, one arc shaped head extending from each transition section, such that each arc shaped head is displaced at an angle to the handle shaft and at a distance normal to the handle shaft. Each head comprises at least two tabs for engaging a lock nut.

REFERENCES:
patent: 1752074 (1930-03-01), Gagne
patent: 2522038 (1950-09-01), Houghton
patent: 3768345 (1973-10-01), Barnes
patent: D304668 (1989-11-01), Strock
patent: 5477758 (1995-12-01), Cunningham
patent: 5492040 (1996-02-01), Bellas
patent: 5524511 (1996-06-01), Taka's
patent: D379053 (1997-05-01), Howard
patent: 6058813 (2000-05-01), Bryant
patent: 6779424 (2004-08-01), Schmidt

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