Torque wrench

Details Torque wrench Torque wrench

1976-05-03

1977-11-29

Ruehl, Charles A.

Tool driving or impacting

Automatic control of power operated means

Tool advance causing or controlling means

73136R, 73139, B25B 23145

Patent

active

040601374

ABSTRACT:
A torque wrench is presented having bidirectional operating capability, accurate readout, and preset or load selection capability. The input drives a pair of ring gears, one of which is connected to the output of the wrench and the other of which is part of a reaction arm system which interacts with the readout and preset features.

REFERENCES:
patent: 2724266 (1955-11-01), Baker et al.
patent: 2764272 (1956-09-01), Reynolds
patent: 3538763 (1970-11-01), Amtsberg et al.
patent: 3834467 (1974-09-01), Fuchs
patent: 3858444 (1975-01-01), Wallace
patent: 3970151 (1976-07-01), Workman, Jr.

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