US PATENT SUBCLASS 474 / 11
.~ Speed responsive

Current as of: June, 1999
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474 /   HD   ENDLESS BELT POWER TRANSMISSION SYSTEMS OR COMPONENTS

8  DF  PULLEY WITH BELT-RECEIVING GROOVE FORMED BY DRIVE FACES ON RELATIVELY AXIALLY MOVABLE COAXIAL CONFRONTING MEMBERS (E.G., EXPANSIBLE CONE PULLEY, ETC.) {13}
11.~ Speed responsive {2}
12  DF  .~.~> And load responsive
13  DF  .~.~> To centrifugal force {3}

DEFINITION

Classification: 474/11

Speed responsive:

(under subclass 8) Subject matter including means for sensing velocity or change of velocity of a load device or of a member operating in a drive train to drive the load device; and, responsive to such sensed velocity or change of velocity, said means acts to alter the relative axial position of said components.

SEE OR SEARCH THIS CLASS, SUBCLASS:

50, and 70, for other arrangements using a speed responsive actuator in a belt and pulley drive system. [figure]