Dual mode torque wrench

Details Dual mode torque wrench Dual mode torque wrench

1989-10-11

1990-12-11

Ruehl, Charles A.

Measuring and testing

Dynamometers

Responsive to torque

7386231, B25B 23142, G01L 524

Patent

active

049761595

ABSTRACT:
A torque wrench is presented which has dual output/reaction modes, with the input and output operating in the same direction in both modes. In one mode, a stationary reaction adapter is outside of an inner rotating torque adapter; in the second mode, a stationary reaction adapter is inside of an outer rotation torque adapter. Torque levels are measured by strain gages mounted on a single reaction arm and are read out digitally.

REFERENCES:
patent: 3683686 (1972-08-01), Sergan
patent: 4212196 (1980-07-01), Krieger et al.
patent: 4213333 (1980-07-01), Krieger et al.
patent: 4549438 (1985-10-01), Grabovac et al.
patent: 4665756 (1987-05-01), Snyder

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