Pawl switch member for ratchet tools

Details Pawl switch member for ratchet tools Pawl switch member for ratchet tools

2005-06-21

2005-06-21

Wilson, Lee D. (Department: 3723)

Tools

Wrench, screwdriver, or driver therefor

Handle clutched to head

C081S063100

Reexamination Certificate

active

06907804

ABSTRACT:
A ratchet tool includes a head with a toothed driving member and a pawl respectively received therein. The pawl has a protrusion which is engaged with a recessed area defined in an underside of a pawl shifting member on one of two sides of the head of the tool, so that the pawl is urged to engage with the toothed driving member by shifting a lever on the pawl shifting member. A spring and a bead are received in a hole defined in a top of the pawl shifting member. A cap is engaged with the head so as to position the driving member and includes an extension which is covered on the pawl shifting member and has two positioning recesses. The bead is engaged with one of the two positioning recesses.

REFERENCES:
patent: 5957009 (1999-09-01), McCann
patent: 6260449 (2001-07-01), I-He
patent: 6435063 (2002-08-01), Chen
patent: 6513409 (2003-02-01), Lee
patent: 6629477 (2003-10-01), Ling et al.
patent: 2003/0177872 (2003-09-01), Shu-Ying et al.

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