US PATENT SUBCLASS 475 / 84
.~ Control of differential planetary gearing

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

31  DF  FLUID DRIVE OR CONTROL OF PLANETARY GEARING {11}
84.~ Control of differential planetary gearing {3}
85  DF  .~.~> Special fluid
86  DF  .~.~> By fluid operated mechanical clutch {2}
89  DF  .~.~> Fluid resistance controls relative rotation of outputs {1}

DEFINITION

Classification: 475/84

Control of differential planetary gearing:

(under subclass 31) Subject matter wherein the operation of a differential transmission* is regulated by fluid means.

SEE OR SEARCH THIS CLASS, SUBCLASS:

220+, for differential transmissions,* per se. [figure]