Socket wrench extension

Details Socket wrench extension Socket wrench extension

1994-07-25

1995-08-08

Meislin, D. S.

Tools

Wrench, screwdriver, or driver therefor

Handle or shank

8117785, 811247, B25B 1300

Patent

active

054388945

ABSTRACT:
A socket wrench extension generally comprises a socket mounting bottom end portion, a shank portion and a torque receiving top end portion adapted to receive a variety of torque transferring tools. In a preferred embodiment, the top end portion includes a free end face, an axial, drive-receiving recess in the free end face, and an outer peripheral wall that extends to the free end and is substantially a regular polygon in cross-section having diametrically opposed parallel flats for receiving an open-end wrench, a box wrench, flat reversible ratchet wrench or socket wrench. The top end portion also includes diametrical bores therethrough through each flat and a radially protruding shoulder at the bottom of each flat. The recess includes a bottom end having a slot for receiving a screwdriver drive.

REFERENCES:
patent: 949711 (1910-02-01), McLane
patent: 3561510 (1971-02-01), Johnson
patent: 3875829 (1975-04-01), Evans et al.
patent: 4004476 (1977-01-01), DeVrou
patent: 4125913 (1978-11-01), Lewis
patent: 4344340 (1982-08-01), Erickson
patent: 4356852 (1982-11-01), Smith
patent: 4733584 (1988-03-01), Karge
patent: 4754670 (1988-07-01), Raymond
patent: 4817475 (1989-04-01), Kelly et al.
patent: 4817476 (1989-04-01), Karge
patent: 4825733 (1989-05-01), Chinchar
patent: 4856388 (1989-08-01), Freeman
patent: 5216940 (1993-06-01), Hedden
patent: 5257557 (1993-11-01), Battten

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