Torque spanners

Details Torque spanners Torque spanners

1975-02-26

1976-12-07

Ruehl, Charles A.

Measuring and testing

Brake testing

Single wheel rotating and resistance measuring means

81 525, B25B 2314

Patent

active

039954773

ABSTRACT:
A torque spanner (or other tool for tightening threaded fastenings) which can be carried by the operator in his hand. The spanner incorporates a strain gauge which is arranged to provide an electrical output voltage dependent on the torque applied. An indicating device, operated from the strain gauge, is arranged to indicate to the operator when the torque has reached a prescribed value.

REFERENCES:
patent: 3472102 (1969-10-01), Dunlap et al.
patent: 3596718 (1971-08-01), Fish et al.
patent: 3710874 (1973-01-01), Seccombe et al.
patent: 3827506 (1974-08-01), Himmelstein et al.
patent: 3845657 (1974-11-01), Hall et al.
patent: 3858444 (1975-01-01), Wallace
patent: 3895517 (1975-07-01), Otto

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