US PATENT SUBCLASS 474 / 109
.~ Load responsive tension adjuster or shifter

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}
109.~ Load responsive tension adjuster or shifter

DEFINITION

Classification: 474/109

Load responsive tension adjuster or shifter:

(under subclass 101) Subject matter including means for sensing resistance to movement or change in resistance to movement of a load device or of a component in a drive train to drive the load device; and, in response to such sensed resistance or change of resistance to movement, said means acts to actuate said member or said device.

SEE OR SEARCH THIS CLASS, SUBCLASS:

11+, 17+, 50, and 70, for other arrangements using a load or speed responsive actuator in a belt and pulley drive system.

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