US PATENT SUBCLASS 474 / 133
.~ Guide roll mounted for movement of its axis along arcuate path to tension belt

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}
133.~ Guide roll mounted for movement of its axis along arcuate path to tension belt {2}
134  DF  .~.~> Plural guide rolls engaging single belt
135  DF  .~.~> Guide roll spring biased in belt-tensioning direction

DEFINITION

Classification: 474/133

Guide roll mounted for movement of its axis along arcuate path to tension belt:

(under subclass 101) Subject matter wherein said member is a guide roll* engaged with the belt*; and wherein said guide roll is movably supported for movement of its axis in a curved path to cause the guide roll change the tensile stress in the belt or to take up any undesirable slack in the belt. [figure]