Knockout tool

Details Knockout tool Knockout tool

1998-04-09

1999-08-17

Jones, David

Metal deforming

By or with work-constrainer and/or manipulated work-forcer

Comprising lever manipulated to force work

72479, 814275, B21D 106, B21D 314

Patent

active

059376953

ABSTRACT:
A new knockout tool for prying open knockout rings on electrical boxes to allow electrical circuit to be inserted therethrough. The inventive device includes an elongate handle having opposite proximal and distal ends and an working arm member coupled to the proximal end of the handle. The arm member has a terminal end with a notch which extends between the lateral sides of the arm member.

REFERENCES:
patent: 442155 (1890-12-01), Virtue
patent: 444035 (1891-01-01), Wyatt
patent: 2772587 (1956-12-01), Woodering et al.
patent: 4034595 (1977-07-01), Smith
patent: 5161404 (1992-11-01), Hayes

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