Power-operated torque wrench

Details Power-operated torque wrench Power-operated torque wrench

1981-04-13

1983-09-13

Whitehead, Harold D.

Tool driving or impacting

Automatic control of power operated means

Tool advance causing or controlling means

74128, 192150, B25B 2100

Patent

active

044036639

ABSTRACT:
A power operated wrench having a drive shaft, said drive shaft being initially driven by a motor to provide initial torque, overriding clutch means for driving said shaft and drive means for applying a predetermined torque via the clutch and thereafter rotating said shaft an additional predetermined amount.

REFERENCES:
patent: 2026400 (1935-12-01), Reid
patent: 3529513 (1970-09-01), Amtsberg
patent: 3586115 (1971-06-01), Amtsberg
patent: 3675514 (1972-07-01), Walker
patent: 3686983 (1972-08-01), Flagge
patent: 3897834 (1975-08-01), Swopsher et al.
patent: 3930776 (1976-01-01), Keller
patent: 4137758 (1979-02-01), Rodland
patent: 4199032 (1980-04-01), Weiner et al.
patent: 4300641 (1981-11-01), Kinkel

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