Manual/powered operation safety device

Details Manual/powered operation safety device Manual/powered operation safety device

1990-04-25

1991-10-08

Herrmann, Allan D.

192 clutches and power-stop control

Vortex-flow drive and clutch

With brake

74625, F16D 6700

Patent

active

050545922

ABSTRACT:
A safety device for a drive unit adapted for manual and powered driven movement of a drive shaft. The safety device includes a brake operably associated with the drive shaft for preventing manual and powered driven movement of the drive shaft. It also includes a manual input for releasing the brake and effecting manual driven movement of the drive shaft and a powered input for releasing the brake and effecting powered driven movement of the drive shaft. With this arrangement, the safety device is such that the powered input is operable to disengage the manual input before effecting powered driven movement of the drive shaft.

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