US PATENT SUBCLASS 60 / 558
.~.~.~.~.~ Fluid from the manual master fed to slave through a passage in the working member of the power 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  DF  .~.~.~.~ Pressurized fluid from manual master charges slave and controls power fluid to separate master {1}
558.~.~.~.~.~ Fluid from the manual master fed to slave through a passage in the working member of the power master {1}
559  DF  .~.~.~.~.~.~> Passage extends across the expansible chamber of the motor of the power master

DEFINITION

Classification: 60/558

(under subclass 557) Apparatus in which the pressurized fluid from the manual master flows longitudinally through the working member of the motor operated master.