Hand drive for coupling to a rotatable shaft

Details Hand drive for coupling to a rotatable shaft Hand drive for coupling to a rotatable shaft

1979-05-02

1981-03-24

Krizmanich, George H.

192 clutches and power-stop control

Clutches

Automatic

192 4892, 192 51, 192 81C, 192 95, F16D 1312, F16D 6700, F16D 4704

Patent

active

042575001

ABSTRACT:
The hand drive employs two coil springs between the sleeve of the coupling and the shaft to be turned. The hand wheel has a driver with a parallelepiped extension for abutting one or the other of the facing spring ends depending on the direction of rotation of the hand wheel. A brake is also used to restrain movement of the sleeve and limit the torque exerted on the sleeve by the hand wheel.

REFERENCES:
patent: 1935684 (1933-10-01), Wemp
patent: 3193066 (1965-07-01), Tomko
patent: 3319752 (1967-05-01), Chillson et al.
patent: 3539042 (1970-11-01), Sacchini
patent: 3618721 (1971-10-01), Hare
patent: 3648810 (1972-03-01), Weatherby
patent: 3837450 (1974-09-01), Malion et al.

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