US PATENT SUBCLASS 474 / 159
.~.~ Coaxial surface is belt-engaging surface on friction drive pulley

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

152  DF  POSITIVE DRIVE PULLEY OR GUIDE ROLL {6}
158  DF  .~ And additional coaxial surface for engaging same belt in shifted condition or for engaging auxiliary belt, brake, or clutch member {2}
159.~.~ Coaxial surface is belt-engaging surface on friction drive pulley

DEFINITION

Classification: 474/159

Coaxial surface is belt-engaging surface on friction drive pulley:

(under subclass 158) Subject matter wherein the additional operative face is a belt*-engaging face of a pulley for driving a belt by frictional contact between the belt and the drive face. [figure]