Torque wrench

Details Torque wrench Torque wrench

2006-03-14

2006-03-14

Shakeri, Hadi (Department: 3723)

Tools

Wrench, screwdriver, or driver therefor

Responsive to torque on work

C081S476000

Reexamination Certificate

active

07011001

ABSTRACT:
A torque device includes a housing rotatably accepting an inner ring assembly having a pin eccentrically disposed relative to a torque axis. A movable member is slidably or pivotably disposed in the housing to come into and out of engagement with the pin when the inner ring assembly rotates relative the housing. The movable member has a slanted face for engaging the pin. The pin and the slanted face are alternatively interchanged in position on the inner ring assembly and movable member. An adjustable biasing device biases the movable member. The biasing device includes a split ring spring and a ring segment spring. Alternatively, the biasing device includes a compression spring.

REFERENCES:
patent: 2378956 (1945-06-01), Thorner
patent: 2690090 (1954-09-01), Pederson
patent: 2734412 (1956-02-01), Orner
patent: 2977832 (1961-04-01), Bless
patent: 4552042 (1985-11-01), Beymer
patent: 5497682 (1996-03-01), Hsu
patent: 5662012 (1997-09-01), Grabovac
patent: 5813298 (1998-09-01), Beattie
patent: 5974919 (1999-11-01), Habele
patent: 6840138 (2005-01-01), Graffin

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