Electronic torque wrench

Details Electronic torque wrench Electronic torque wrench

1976-07-19

1978-02-14

Ruehl, Charles A.

Measuring and testing

Brake testing

Single wheel rotating and resistance measuring means

73DIG4, G01L 116, B25B 2314

Patent

active

040731871

ABSTRACT:
A wrench for measuring torque electronically is disclosed. The tool includes piezoelectric means for generating a signal representative of the torque applied. The tool is capable of torque read-out in inch-pounds, newton-meter and other scales.

REFERENCES:
patent: 3464503 (1969-09-01), Houck
patent: 3617885 (1971-11-01), Wheable
patent: 3662845 (1972-05-01), Pratt
patent: 3813933 (1974-06-01), Weiss et al.
patent: 3895517 (1975-07-01), Otto

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