US PATENT SUBCLASS 74 / 393
.~ Varying speed ratio

Current as of: June, 1999
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74 /   HD   MACHINE ELEMENT OR MECHANISM

640  DF  GEARING {31}
393.~ Varying speed ratio

DEFINITION

Classification: 74/393

(under subclass 640) Gearing in which the speed of the driven element is varied during each revolution.

SEE OR SEARCH CLASS

475, Planetary Gear Transmission Systems or Components,

14+, for cyclical or intermittent drive in planetary gearing.