Buehler Motor Gmbh

Thomas K Peterreins

A transmission member for a worm gear having a thrust ring placed over the shaft of a motor. The worm gear is slip-fit over the shaft and has a coupling head with a pair of projections facing away from the motor. A coupling washer is press-fit onto the motor shaft and has a pair of projections as well, each of which is fitted with an O-ring. The coupling washer is mated to the worm gear so both sets of projections intermesh and form a torque-transmitting arrangement, with the O-rings acting as a buffer between the two sets of projections and allowing the motor shaft to turn relative to the worm for a fraction of a revolution to gain inertia and speed helpful to break loose a jammed gear train.

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Cary, NC, United States of America

Thomas K Peterreins