Reversible ratchet wrench including thin-walled sockets

Details Reversible ratchet wrench including thin-walled sockets Reversible ratchet wrench including thin-walled sockets

1996-12-24

1999-01-12

Morgan, Eileen P.

Tools

Wrench, screwdriver, or driver therefor

Handle clutched to head

811243, 81 63, B25B 1346

Patent

active

058573909

ABSTRACT:
A light-weight, low-profile socket wrench system includes a set of cylindrical thin-walled sockets, each having a through axial opening sufficiently large to allow a bolt engaged by a nut of a size corresponding to that of the nut-receiving opening to pass through the axial opening and extend beyond the nut, and a ratchet wrench releasably engageable with the socket for applying rotational torque directly to a peripheral surface of the socket. In a preferred embodiment, the socket has a round peripheral surface around which a multiplicity of teeth are distributed, and the head of the ratchet wrench has a circular cylindrical opening in which the socket is releasably maintained with its teeth directly engaged by teeth on a pawl.

REFERENCES:
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patent: 5295422 (1994-03-01), Chow
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patent: 5448930 (1995-09-01), Miner et al.
patent: 5584220 (1996-12-01), Darrah et al.
patent: 5626062 (1997-05-01), Colvin
"Armstrong Reversible Bridge Wrenches," Armstrong Bros. Tool C. catalog, p. 87, 1973.

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