US PATENT SUBCLASS 474 / 52
.~.~ Including means interconnecting plural pulleys for simultaneous adjustment

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

47  DF  PULLEY WITH EXPANSIBLE RIM MEANS OR PULLEYS WITH ALTERNATELY USEABLE NESTABLE RIMS {2}
49  DF  .~ Structure for variably adjusting radius of rim section {5}
52.~.~ Including means interconnecting plural pulleys for simultaneous adjustment {1}
53  DD  .~.~.~> Pulleys on spaced axes

DEFINITION

Classification: 474/52

Including means interconnecting plural pulleys for simultaneous adjustment:

(under subclass 49) Subject matter wherein plural pulleys* each include adjustable belt*-engaging surface or surfaces, and wherein mechanism is provided for concurrently adjusting the surface or surfaces of each of the pulleys to increase or decrease the effective diameter of the pulleys.

SEE OR SEARCH THIS CLASS, SUBCLASS:

29+, for mechanism for simultaneously adjusting plural pulleys of the kind provided for in subclasses 8+. [figure]