US PATENT SUBCLASS 60 / 557
.~.~.~.~ Pressurized fluid from manual master charges slave and controls power fluid to separate master

Current as of: June, 1999
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60 /   HD   POWER PLANTS

325  DF  PRESSURE FLUID SOURCE AND MOTOR {47}
533  DF  .~ Pulsator {25}
547.1  DF  .~.~ With control of or by a separate power fluid, etc. {9}
555  DF  .~.~.~ Master movement of master produces a pressure that controls the power fluid {2}
557.~.~.~.~ Pressurized fluid from manual master charges slave and controls power fluid to separate master {1}
558  DF  .~.~.~.~.~> Fluid from the manual master fed to slave through a passage in the working member of the power master {1}

DEFINITION

Classification: 60/557

(under subclass 555) Apparatus including a manually operated master and a separate downstream motor driven master, the arrangement being such that fluid delivered from the manual master charges the pulsator with motive fluid, takes up slack and starts the motor of the motor driven master.