Device for coupling a hand drive to a shaft

Details Device for coupling a hand drive to a shaft Device for coupling a hand drive to a shaft

F - Mech Eng,Light,Heat,Weapons

16

D

64/21

F16D 1/06 (2006.01) F16D 13/08 (2006.01) F16D 43/02 (2006.01) G05G 1/08 (2006.01)

Patent

CA 1100771

ABSTRACT The invention relates to a device for the manual operation of a shaft which acts, for instance, on the transmission of a valve and is connected to a rotary-positioning motor, by which the hand drive is no case turned along with the shaft, causing damage, if the motor is suddenly switched on. As the coupling element, two coil springs are used which are centered at the wall of a sleeve with radial pretension if the hand drive is at rest.

326640

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