Socket tool for forcibly detaching screw member and a method...

Details Socket tool for forcibly detaching screw member and a method... Socket tool for forcibly detaching screw member and a method...

2005-02-15

2005-02-15

Watts, Douglas D (Department: 3724)

Metal tools and implements, making

Blank or process

Wrenches

C081S053200

Reexamination Certificate

active

06854360

ABSTRACT:
A method for manufacturing a socket tool includes: forging a socket blank to form a plurality of arcuate locking grooves; hydraulic working to form a plurality of helical arcuate locking grooves in the socket blank; turning and cutting the periphery of the socket blank to make the periphery of the socket blank smooth; performing a heat treatment on the socket blank; and forming a socket tool having a plurality of helical arcuate locking grooves which are extended and contracted from an outer end to an inner end of the socket tool to form a contracted conical hole. Thus, the socket tool can be used to forcibly rotate and detach a hexagonal screw member having worn or rust corners.

REFERENCES:
patent: 1772723 (1930-08-01), Klein
patent: 2398244 (1946-04-01), Vaughan
patent: 2623418 (1952-12-01), Vaughan
patent: 5551320 (1996-09-01), Horobec et al.
patent: 6339976 (2002-01-01), Jordan
patent: 20030056622 (2003-03-01), Jordan
patent: 20040079202 (2004-04-01), Chrzanowski

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