US PATENT SUBCLASS 474 / 131
.~ Guide roll forms belt-thickness gap with pulley

Current as of: June, 1999
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474 /   HD   ENDLESS BELT POWER TRANSMISSION SYSTEMS OR COMPONENTS

101  DF  MEANS FOR ADJUSTING BELT TENSION OR FOR SHIFTING BELT, PULLEY OR GUIDE ROLL {11}
131.~ Guide roll forms belt-thickness gap with pulley

DEFINITION

Classification: 474/131

Guide roll forms belt-thickness gap with pulley:

(under subclass 101) Subject matter wherein said member is a guide roll*, said guide roll being adjustable or biased to a position where it is spaced from the drive face of a pulley* a distance no greater than the thickness of a belt* passing between the guide roll and pulley to urge the belt into firm driving engagement with the pulley. [figure]