Pulley retention mechanism

Details Pulley retention mechanism Pulley retention mechanism

F - Mech Eng,Light,Heat,Weapons

16

H

F16H 55/32 (2006.01) F16D 1/08 (2006.01) F16H 55/36 (2006.01) H02K 7/10 (2006.01)

Patent

CA 2087052

An improved mechanism for retaining a pulley on a motor shaft is disclosed wherein the shaft has a circumferential groove formed near its end and the pulley has a hub to engage the shaft with a plurality of flexible fingers formed around and extending outward from the hub. The fingers have a pawl disposed to drop into the circumferential groove on the shaft and thereby secure the pulley in place. The pawls can be of various configurations so as to both align properly with the groove and to accommodate tolerance in the shaft assembly. The shaft also has splines formed thereon proximate to the groove that matingly engage corresponding keyways formed inside the pulley hub so that the shaft positively mates with the pulley.

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