Ratchet wrench

Details Ratchet wrench Ratchet wrench

2005-06-14

2005-06-14

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

Tools

Wrench, screwdriver, or driver therefor

Handle clutched to head

C081S063000, C081S063100

Reexamination Certificate

active

06904832

ABSTRACT:
A ratchet wrench includes a wrench body, a ratchet wheel, a pawl member, a control member, a direction control member, and a locking plate. Thus, the pawl member engages the ratchet wheel rigidly and closely, so that the pawl member and the ratchet wheel have the optimum locking state.

REFERENCES:
patent: 6457388 (2002-10-01), Chen
patent: 6457389 (2002-10-01), Hu
patent: 6516690 (2003-02-01), Chen
patent: 6644148 (2003-11-01), Hu
patent: 6789449 (2004-09-01), Liu

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