Plug wrench

Details Plug wrench Plug wrench

1998-07-31

1999-10-05

Scherbel, David A.

Tools

Wrench, screwdriver, or driver therefor

Rigid jaws

811242, 811211, B25B 1302

Patent

active

059606827

ABSTRACT:
The present invention provides a plug wrench in which a plug can be fitted securely to a wrench body and the plug is not damaged in fitting. The plug wrench comprises a concave fitting portion for inserting the plug in the cylindrical wrench body operated by a rotating handle, a fixing member made of a metal sheet fitted in the concave fitting portion, and a guide member with less hardness fitted on the bottom face of the fitting member.

REFERENCES:
patent: 3665791 (1972-05-01), Carr
patent: 3745861 (1973-07-01), Totsu et al.
patent: 4535658 (1985-08-01), Molinari
patent: 4787278 (1988-11-01), Bononi
patent: 5074173 (1991-12-01), Cearley
patent: 5184529 (1993-02-01), Matsubara et al.
patent: 5361654 (1994-11-01), Rasipovits
patent: 5724872 (1998-03-01), Shih

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