Socket wrench having a rotatable handle

Details Socket wrench having a rotatable handle Socket wrench having a rotatable handle

1999-07-30

2001-03-13

Scherbel, David A. (Department: 3723)

Tools

Wrench, screwdriver, or driver therefor

Handle clutched to head

C081S177400

Reexamination Certificate

active

06199454

ABSTRACT:

FIELD OF THE INVENTION
The present invention relates generally to the field of hand tools, and more particularly but not by way of limitation, to a socket wrench having spare tool elements operatively providing a rotatable handle portion of the socket wrench.
SUMMARY OF THE INVENTION
The present invention provides a socket wrench for installing and removing fasteners. The socket wrench has a head and a shank extending therefrom, the shank providing a lever against which a user grasps with a hand-hold and exerts a force to impart a torque on the head. A tool element is coupled to the head to transfer the torque to the fastener so as to install or remove the fastener.
The shank has a journal surface about which is journalled a plurality of spare tool elements in order to provide a rotatable handle about the shank. A retaining member attaches to the shank to retain the tool elements in the journalled engagement about the shank.
The rotatable handle facilitates a characteristic neutral wrist position by an operator using the socket wrench. This resultingly reduces bent-wrist repetitive motion and the associated cumulative trauma disorders of the hand and wrist.


REFERENCES:
patent: 1289558 (1918-12-01), Sedgley
patent: 1371350 (1921-03-01), Campbell
patent: 1416461 (1922-05-01), Hance
patent: 1469589 (1923-10-01), Palmer
patent: 1662424 (1928-03-01), Judge
patent: 2776589 (1957-01-01), Gregory
patent: 4253356 (1981-03-01), Martinmaas
patent: 4352307 (1982-10-01), Martinmaas
patent: 4798111 (1989-01-01), Cheeseman
patent: 4960016 (1990-10-01), Seals
patent: 5687802 (1997-11-01), Spooner et al.

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