US PATENT SUBCLASS 474 / 126
.~.~.~ Shifter actuated by screw or gear drive

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}
119  DF  .~ Belt shifter for shifting belt laterally or for selective engagement and supported disengagement of belt with pulley {4}
122  DF  .~.~ For shifting belt laterally {6}
126.~.~.~ Shifter actuated by screw or gear drive

DEFINITION

Classification: 474/126

Shifter actuated by screw or gear drive:

(under subclass 122) Subject matter wherein motion is transmitted to the device for moving the belt* via relatively movable components having interengaged helical threads or intermeshing teeth. [figure]