One-way ratchet wrench

Details One-way ratchet wrench One-way ratchet wrench

2005-04-05

2005-04-05

Thomas, David B. (Department: 3723)

Tools

Wrench, screwdriver, or driver therefor

Handle clutched to head

Reexamination Certificate

active

06874391

ABSTRACT:
A one-way ratchet wrench includes a wrench body, a ratchet wheel, an elastic member, and a pawl member. Thus, the elastic member limits transverse and longitudinal movement of the locking portion of the pawl member, so that the pawl member is positioned rigidly and stably. In addition, the locking portion of the pawl member is rested on a side of the elastic member, thereby preventing the elastic member from producing fatigue.

REFERENCES:
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patent: 20020162424 (2002-11-01), Hu
patent: 3322967 (1985-01-01), None

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