Measuring and testing – Dynamometers – Responsive to torque
Patent
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
Ferguson John H.
Fishman David S.
Meisterling Jesse R.
Snyder Robert F.
Raymond Engineering Inc.
Ruehl Charles A.
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