Selective one-way wrench

Details Selective one-way wrench Selective one-way wrench

2005-08-09

2005-08-09

Smith, James G. (Department: 3723)

Tools

Wrench, screwdriver, or driver therefor

Handle clutched to head

C192S043200

Reexamination Certificate

active

06925913

ABSTRACT:
A selective one-way wrench includes an annular head defining a first space, a second space communicated with the first space and an aperture communicated with the second space. A gear is rotationally put in the first space and includes a toothed face. A pawl is put in the second space and includes a toothed face engaged with the toothed face of the gear and two concave faces. A transmission is rotationally put in the second space and includes two wings selective one of which is in contact with corresponding one of the concave faces of the pawl. A switch is put into the second space through the aperture for connection with the transmission. A spring is connected between the pawl and the transmission.

REFERENCES:
patent: 2003/0196522 (2003-10-01), Hu

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