US PATENT SUBCLASS 474 / 900
PHASE VARIATOR


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

900PHASE VARIATOR


DEFINITION

Classification: 474/900

PHASE VARIATOR:

Structure wherein at rest or during operation a point on the periphery of a drive pulley* has a first positional relationship with respect to a point on the periphery of a driven pulley, and wherein means is provided for changing the positional relationship from said first positional relationship to a second positional relationship without changing effective drive circumference of either pulley. [figure]