US PATENT SUBCLASS 475 / 86
.~.~ By fluid operated mechanical clutch

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  DF  .~ Control of differential planetary gearing {3}
86.~.~ By fluid operated mechanical clutch {2}
87  DF  .~.~.~> Operated by viscous drag
88  DF  .~.~.~> Operated by a pump responsive to differential action

DEFINITION

Classification: 475/86

By fluid operated mechanical clutch:

(under subclass 84) Subject matter wherein the differential is controlled by a fluid actuated mechanical clutch*. [figure]