US PATENT SUBCLASS 475 / 309
.~.~.~ 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}
306  DF  .~ Brake for planetary transmission having axis of planet pinion at angle to axis of mating gear (e.g., bevel gears) {2}
308  DF  .~.~ And lock-up clutch {1}
309.~.~.~ Friction clutch {1}
310  DF  .~.~.~.~> Plate clutch


DEFINITION

Classification: 475/309

Friction clutch:

(under subclass 308) Subject matter wherein said clutch* is of a type in which pressure and resultant friction between faces of two relatively movable parts causes the parts to have common movement.