US PATENT SUBCLASS 475 / 133
.~.~.~ With safety valve

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}
131  DF  .~.~ Manually actuated ratio selector {4}
133.~.~.~ With safety valve

DEFINITION

Classification: 475/133

With safety valve:

(under subclass 131) Subject matter wherein said device is a valve and means is associated with said valve to prevent damage to the transmission.

SEE OR SEARCH THIS CLASS, SUBCLASS:

119, for a safety device controlled in response to speed.