US PATENT SUBCLASS 474 / 117
.~.~ Spring biased in belt-tensioning direction

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}
113  DF  .~ Pulley shifter {4}
117.~.~ Spring biased in belt-tensioning direction

DEFINITION

Classification: 474/117

Spring biased in belt-tensioning direction:

(under subclass 113) Subject matter wherein resilient means is provided to bias the pulley* in a direction tending to increase tensile stress in the belt*.

SEE OR SEARCH THIS CLASS, SUBCLASS:

115, 135, and 138, for other structure wherein a pulley or guide roll is spring biased in a belt-tensioning direction.

SEE OR SEARCH CLASS

198, Conveyors: Power-Driven,

814, for a spring-biased tensioner in a conveyor. [figure]