Socket wrench for ratchet wheel sockets

Details Socket wrench for ratchet wheel sockets Socket wrench for ratchet wheel sockets

2006-06-06

2006-06-06

Thomas, David B. (Department: 3723)

Tools

Wrench, screwdriver, or driver therefor

Handle clutched to head

C081S061000, C081S177800

Reexamination Certificate

active

07055409

ABSTRACT:
A socket wrench for ratchet wheel sockets, comprises a handle having a recess at a first terminal thereof, an empty space between a pair of ear portions defining the recess, each of the ear portions being provided with an axial hole; a drive piece for retaining a ratchet wheel on which a ratchet wheel socket can be mounted, the recess of the handle being capable of receiving a pivotal portion of the drive piece; and a retaining pin for connecting the handle and the drive piece by being inserted though the axial holes of the ear portions and the pivotal portion of the drive piece. The drive piece can be folded about the retaining pin to change the angular position of the drive piece with respect to the handle.

REFERENCES:
patent: 4463632 (1984-08-01), Parke
patent: 4901608 (1990-02-01), Shieh
patent: 5794496 (1998-08-01), Arnold
patent: 6341543 (2002-01-01), Hsieh
patent: 6745650 (2004-06-01), Chang
patent: 2003/0188608 (2003-10-01), Hsien

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