FRICTION DEVICE

Japanese Patent JPS59208234

A

An electromagnetic friction device for torque transmission, such device including an input member, and a mechanism for transmitting torque from the input member to an output member. The torque transmitting mechanism includes a friction ring member interposed the input member and the output member, a biasing member urging the friction ring into engagement with the input member, and a selectively operable biasing member, such as an electromagnetic device, for selectively biasing the friction ring member away from engagement with the input member. The torque transmitting mechanism further includes an overrunning adjustable abutment device interposed the friction ring and the input member to limit motion of the friction ring member towards the input member and thereby limit the torque frictionally absorbed therebetween. The adjustable abutment device is automatically operable to adjust the position of the friction ring member when the electromagnetic device is inoperative and the input member is rotating in a predetermined angular direction. The adjustable abutment device includes a first adjustment member threadably interconnected with the friction ring member, a second adjustment member interposed between the first adjustment member and the input member, at least one ball interposed the adjustment members and residing in partial raceways in the adjustment members, a ramp in at least one of the raceways, and a biasing element biasing the adjustment members together.

JP2000220674	MUFFLER FOR UNEXCITED OPERATION TYPE ELECTROMAGNETIC BRAKE
WO/2006/013426	INPUT SHAFT BRAKE

TOOMASU KARAN SEKERA

JP6781084A

November 26, 1984

April 06, 1984

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FACET ENTERPRISES

F16D55/02; F16D55/06; F16D59/02; F16D65/14; F16D65/56; F16D65/02; (IPC1-7): F16D55/02; F16D65/56

Masaki Yamakawa

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