US PATENT SUBCLASS 475 / 129
.~.~.~.~ With fluid accumulator

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}
116  DF  .~ Fluid controlled mechanical clutch or brake {12}
127  DF  .~.~ Pressure regulation {2}
128  DF  .~.~.~ Valving controls shift timing {1}
129.~.~.~.~ With fluid accumulator

DEFINITION

Classification: 475/129

With fluid accumulator:

(under subclass 128) Subject matter which further includes a variable capacity chamber which is effective to control the buildup of fluid pressure.

SEE OR SEARCH CLASS

138, Pipes and Tubular Conduits,

30+, for accumulators, per se.