US PATENT SUBCLASS 417 / 386
.~.~.~.~.~ Working member position responsive

Current as of: June, 1999
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417 /   HD   PUMPS

321  DF  MOTOR DRIVEN {32}
375  DF  .~ Fluid motor {9}
379  DF  .~.~ With motive fluid generator {5}
383  DF  .~.~.~ Pulsator or fluid link {3}
385  DF  .~.~.~.~ With means to supply or vent pulsator fluid {3}
386.~.~.~.~.~ Working member position responsive

DEFINITION

Classification: 417/386

(under subclass 385) Apparatus in which the means for supplying or exhausting fluid is made effective in response to the attainment of a predetermined position by the fluid motor working member.