Multipurpose socket wrench

Details Multipurpose socket wrench Multipurpose socket wrench

2005-02-08

2005-02-08

Smith, James G. (Department: 3723)

Tools

Wrench, screwdriver, or driver therefor

Handle clutched to head

C081S177850, C081S060000

Reexamination Certificate

active

06851334

ABSTRACT:
A multipurpose socket wrench includes a handle having a box at one end, a driving member, the driving member having a hollow ratchet unit disposed at one side and coupled to the box of the handle and a coupling unit with equiangularly spaced pawls disposed at the other side, and a socket for use with the driving member and the handle to rotate a bolt or nut, the socket having a polygonal coupling hole disposed at one side and adapted to receive the workpiece and a plurality of pawls equiangularly spaced at the other side for engagement with the pawls of the driving member for enabling the socket to be driven by the handle to rotate the workpiece.

REFERENCES:
patent: 2869410 (1959-01-01), Prichard
patent: 4328720 (1982-05-01), Shiel
patent: 5295422 (1994-03-01), Chow
patent: 20030121371 (2003-07-01), Chiu
patent: 20030131692 (2003-07-01), Huang

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