US PATENT SUBCLASS 474 / 110
.~ Tension adjuster or shifter driven by electrical or fluid motor

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}
110.~ Tension adjuster or shifter driven by electrical or fluid motor

DEFINITION

Classification: 474/110

Tension adjuster or shifter driven by electrical or fluid motor:

(under subclass 101) Subject matter wherein force for actuating said device or said member is derived from or transmitted via electrical energy or the exertion of force upon a fluid.

SEE OR SEARCH THIS CLASS, SUBCLASS:

18, 28, 51, and 103+, for other arrangements using an electrical or fluid motor as a drive for an actuator in a belt and pulley drive system.

SEE OR SEARCH CLASS

83, Cutting,

819, for fluid means to bias a pulley to tension on endless band or chain cutting device. [figure]