Digital beam torque wrench

Details Digital beam torque wrench Digital beam torque wrench

2008-05-05

2010-11-02

Thomas, David B (Department: 3723)

Tools

Wrench, screwdriver, or driver therefor

Responsive to torque on work

C073S862220

Reexamination Certificate

active

07823485

ABSTRACT:
A torque wrench includes a main beam having a distal end and a proximal end, a drive element disposed at the distal end of the main beam, a stationary beam having a distal end fixedly secured to the main beam at a first location on the main beam, and having a proximal end, and a displacement sensor assembly disposed at a second location associated with the main beam and with the stationary beam to detect an amount of displacement of the main beam relative to the stationary beam. The displacement sensor assembly includes an actuating element to produce a radiation signal and rigidly secured to one of the main beam or the stationary beam and an actuable element responsive to the radiation signal and rigidly secured to the other one of the main beam or the stationary beam.

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