US PATENT SUBCLASS 474 / 57
.~.~.~ Collar interconnected with rim sections via pivoted link

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}
56  DF  .~.~ By actuator having collar concentric with, and rotatable in plane perpendicular to pulley axis {1}
57.~.~.~ Collar interconnected with rim sections via pivoted link

DEFINITION

Classification: 474/57

Collar interconnected with rim sections via pivoted link:

(under subclass 56) Subject matter wherein the ringlike member is connected to the adjustably movable belt*-engaging surfaces via pivotable connecting means. [figure]