US PATENT SUBCLASS 474 / 119
.~ Belt shifter for shifting belt laterally or for selective engagement and supported disengagement of belt 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}
119.~ Belt shifter for shifting belt laterally or for selective engagement and supported disengagement of belt with pulley {4}
120  DF  .~.~> Pulley has slot in groove-forming flange facilitating belt installation or removal
121  DF  .~.~> For shifting exterior surface of belt into engagement with pulley
122  DF  .~.~> For shifting belt laterally {6}
130  DF  .~.~> Portable hand tool for removing or installing belt

DEFINITION

Classification: 474/119

Belt shifter for shifting belt laterally or for selective engagement and supported disengagement of belt with pulley:

(under subclass 101) Subject matter wherein said device or structure is operatively associated with a belt* so as (a) to move the belt in a direction generally parallel to the axis of rotation of a pulley* about which the belt is entrained, or (b) to move the belt into and out of driving contact with the drive face of a pulley and support the disengaged belt completely removed from contact with the pulley face. [figure]