Torque indicating wrench

Details Torque indicating wrench Torque indicating wrench

2006-08-22

2006-08-22

Thomas, David B. (Department: 3723)

Tools

Wrench, screwdriver, or driver therefor

Responsive to torque on work

C081S477000, C081S480000

Reexamination Certificate

active

07093522

ABSTRACT:
A wrench comprises a casing and a rod. The rod has a driven portion, a driving tip, and a straight section which extends therebetween. The driven portion has a clamped section, a rotating section and a cantilever section connected therebetween, the clamped section being securely clamped in the casing. The rotating section being rotatable, between a free position and a biased position, wherein in the biased position the rod closes an electric circuit, thereby activating an indicator.

REFERENCES:
patent: 2250941 (1941-07-01), Zimmerman
patent: 3076362 (1963-02-01), Able
patent: 3485117 (1969-12-01), Tyrrell et al.
patent: 3967513 (1976-07-01), Myrdal
patent: 4215599 (1980-08-01), Batchelder et al.
patent: 4244434 (1981-01-01), Wilson
patent: 4314490 (1982-02-01), Stone
patent: 4535659 (1985-08-01), Yang
patent: 4664001 (1987-05-01), Denman
patent: 4938109 (1990-07-01), Torres et al.
patent: 4958541 (1990-09-01), Annis et al.
patent: 5130700 (1992-07-01), Annis et al.
patent: 5172616 (1992-12-01), Negishi
patent: 5737983 (1998-04-01), Rennerfelt
patent: 5911154 (1999-06-01), Hsieh
patent: 6070506 (2000-06-01), Becker
patent: 6314846 (2001-11-01), Winick
patent: 6523442 (2003-02-01), Lehnert et al.
patent: 6752050 (2004-06-01), Hu
patent: 6766717 (2004-07-01), Hu
patent: 2002/0069730 (2002-06-01), Lehnert et al.
patent: 2003/0079578 (2003-05-01), Hu
patent: 2003/0221524 (2003-12-01), Hu

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