Torque wrench

Details Torque wrench Torque wrench

1980-03-26

1981-12-08

Jones, Jr., James L.

Tools

Wrench, screwdriver, or driver therefor

Machine

81 573, 74125, B25B 1346

Patent

active

043041574

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.

REFERENCES:
patent: 2723580 (1955-11-01), Brame
patent: 3270595 (1966-09-01), Hall et al.
patent: 3270596 (1966-09-01), Hall et al.

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