Wrench driven directly to change its direction of operation

Details Wrench driven directly to change its direction of operation Wrench driven directly to change its direction of operation

2006-12-12

2006-12-12

Hail, III, Joseph J. (Department: 3723)

Tools

Wrench, screwdriver, or driver therefor

Handle clutched to head

C081S061000, C081S062000, C081S063000

Reexamination Certificate

active

07146883

ABSTRACT:
A wrench includes a wrench body, an actuating member, a pawl member, a direction control knob, a positioning device, and a driving member. Thus, the direction control knob is mounted on the drive head of the wrench body after assembly of the pawl member and the driving member, so that the direction control knob is mounted on the drive head of the wrench body easily, rapidly and conveniently, thereby facilitating assembly of the wrench and thereby decreasing costs of production.

REFERENCES:
patent: 6662687 (2003-12-01), Garg
patent: 6971287 (2005-12-01), Lee et al.
patent: 2003/0136230 (2003-07-01), Chen

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