Torque limiting wrench

Details Torque limiting wrench Torque limiting wrench

1974-12-19

1976-05-11

Herrmann, Allan D.

192 clutches and power-stop control

Stop mechanism

Overload release

64 30E, 173 12, F16D 4320, F16D 702

Patent

active

039556620

ABSTRACT:
A power tool having an adjustable torque-limiting coupling and a shut-off means, the coupling (or clutch) consisting of a driving member, a co-axial driven member and a coupling assembly comprising a tapered helical spring and means for adjusting the position of the spring on the driving and driven members, and the shut-off means sensing relative movement between the driving and driven members, and effecting shut-off.

REFERENCES:
patent: 2626029 (1953-01-01), Gutterman
patent: 3195704 (1965-07-01), Linsker
patent: 3298481 (1967-01-01), Schaedler et al.
patent: 3370680 (1968-02-01), Bangerter et al.
patent: 3537275 (1970-11-01), Smith

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