US PATENT SUBCLASS 474 / 42
.~.~.~ With means to positively lock members in adjusted position

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}
37  DF  .~ By manual actuator for one or both confronting members {2}
39  DF  .~.~ Screw actuated {3}
42.~.~.~ With means to positively lock members in adjusted position

DEFINITION

Classification: 474/42

With means to positively lock members in adjusted position:

(under subclass 39) Subject matter including an auxiliary device actuatable between hold and release positions for preventing relative rotation between said relatively movable motion-inducing members when said device is actuated to a hold position and for permitting relative rotation between said relatively movable motion-inducing members when said device is in a release position. [figure]