Document Type and Number:
Japanese Patent JPS56116176
Kind Code:
U
Abstract:
The main body of a wrench has incorporated in its hollow interior an eccentric ring for receiving input, a ratchet wheel for giving output, pushing bars disposed between the eccentric ring and the ratchet wheel and linearly movable by the rotation of the eccentric ring, and pawls for intermittently rotating the ratchet wheel in one direction every time when the pawls are pushed by the forward ends of the bars. The main body is externally provided with a reaction withstanding lever forced outward at all times by a spring-loaded cam and a lever for freeing the lever from the force of the cam.
Application Number:
JP1236380U
Publication Date:
September 05, 1981
Filing Date:
February 01, 1980
Export Citation:
International Classes:
B25B13/02; B25B13/46; B25B17/00; B25B23/142; (IPC1-7): B25B23/142; B25B13/46; B25B17/00