Easy-to-manufacture ratchet wrench

Details Easy-to-manufacture ratchet wrench Easy-to-manufacture ratchet wrench

2011-04-12

2011-04-12

Shakeri, Hadi (Department: 3727)

Tools

Wrench, screwdriver, or driver therefor

Handle clutched to head

Reexamination Certificate

active

07921751

ABSTRACT:
A ratchet wrench includes a body having a first compartment rotatably receiving a drive member and a second compartment slideably receiving two pawls. A positioning member extends into the second compartment. A switch is slideably mounted to the body and includes two legs extending into the second compartment for moving the pawls. A restraining member is slideably received in the compartment and coupled to the legs to move therewith. The restraining member includes at least two positioning sections selectively engaged with the positioning member corresponding to at least two positions of the switch.

REFERENCES:
patent: 6981434 (2006-01-01), Chen
patent: 7124664 (2006-10-01), Lee
patent: 7146883 (2006-12-01), Chen
patent: 2009/0314139 (2009-12-01), Hu
patent: 2010/0000376 (2010-01-01), Hu
patent: 2010/0018357 (2010-01-01), Hu
patent: 2010/0037735 (2010-02-01), Hu

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