US PATENT SUBCLASS 474 / 122
.~.~ For shifting belt laterally

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.~.~ For shifting belt laterally {6}
123  DF  .~.~.~> By adjusting axial inclination of belt guide roll
124  DF  .~.~.~> With idler support having circumferentially spaced rollers to receive shifted belt
125  DF  .~.~.~> Including means for selectively clutching coaxial idler support to pulley
126  DF  .~.~.~> Shifter actuated by screw or gear drive
127  DF  .~.~.~> Shifter actuated by flexible cable
128  DF  .~.~.~> Shifter actuated by handle pivoted about fixed axis {1}

DEFINITION

Classification: 474/122

For shifting belt laterally:

(under subclass 119) Subject matter wherein said device is so operatively associated with the belt as to move the belt* in a direction generally parallel to the axis of rotation of a pulley* about which the belt is entrained.

SEE OR SEARCH THIS CLASS, SUBCLASS:

3, 6, 80+, 83, and 102+, for other structure involving lateral shift of a belt such as for reversing the direction of rotation of a load driving member, for causing a change in speed ratio, for removing a belt from a pulley or for correcting belt training deviation. [figure]