US PATENT SUBCLASS 474 / 138
.~.~ Guide roll 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}
136  DF  .~ Guide roll mounted for movement of its axis along rectilineal path to tension belt {2}
138.~.~ Guide roll spring biased in belt-tensioning direction

DEFINITION

Classification: 474/138

Guide roll spring biased in belt-tensioning direction:

(under subclass 136) Subject matter wherein resilient means is provided to bias the guide roll* in a direction tending to increase tensile stress in the belt*.

SEE OR SEARCH THIS CLASS, SUBCLASS:

115, 117, and 135, 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]