Socket wrench

Details Socket wrench Socket wrench

1997-03-20

1999-12-07

Scherbel, David A.

Tools

Wrench, screwdriver, or driver therefor

Handle or shank

811775, B25G 104

Patent

active

059964480

ABSTRACT:
A socket wrench has a rigid extension provided for attachment to the handle portion. The extension has at a first end thereof a receiving portion for matingly receiving a spline-drive shank of the wrench handle through a rear face of the extension, and has a spline-drive shank extending perpendicularly from a forward face of the extension at a second, opposite end thereof. A low clearance is maintained such that the forward face of the second end of the extension resides in a plane substantially parallel to or rearward of the forward face of the head. The socket wrench may further include a ratchet head attachment having its lower end recessed at its rear face for receiving the second end of the extension therein.

REFERENCES:
patent: 1473436 (1923-11-01), Leopold
patent: 1578065 (1926-03-01), Bemus et al.
patent: 2691316 (1954-10-01), Brame
patent: 2864418 (1958-12-01), Vaughn
patent: 2951405 (1960-09-01), Engquist
patent: 3343434 (1967-09-01), Schroeder
patent: 3376768 (1968-04-01), Fortunato
patent: 3779107 (1973-12-01), Avery
patent: 4334445 (1982-06-01), Timewell
patent: 4596167 (1986-06-01), White
patent: 4711145 (1987-12-01), Inoue
patent: 5218891 (1993-06-01), Olson
patent: 5280740 (1994-01-01), Ernest
patent: 5295422 (1994-03-01), Chow

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