US PATENT SUBCLASS 475 / 315
.~.~.~ Friction clutch

Current as of: June, 1999
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475 /   HD   PLANETARY GEAR TRANSMISSION SYSTEMS OR COMPONENTS

269  DF  WITH MEANS TO VARY DRIVE RATIO OR DISCONNECT DRIVE (E.G., BRAKE OR CLUTCH) {16}
311  DF  .~ Sun braked {3}
314  DF  .~.~ And lock-up clutch {1}
315.~.~.~ Friction clutch {1}
316  DF  .~.~.~.~> Plate clutch

DEFINITION

Classification: 475/315

Friction clutch:

(under subclass 314) Subject matter wherein said clutch* is of a type in which pressure and resultant friction between faces of two relatively moveable parts causes the parts to have common movement.