US PATENT SUBCLASS 74 / 721
.~.~ Friction-type gearing

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

640  DF  GEARING {31}
665 R  DF  .~ Plural power paths to and/or from gearing {10}
721.~.~ Friction-type gearing

DEFINITION

Classification: 74/721

(under subclass 665) Gearing in which the gearing is of the friction type.

SEE OR SEARCH CLASS

476, Friction Gear Transmission Systems or Components, for friction gear transmissions, per se.