US PATENT SUBCLASS 60 / 490
.~.~ Both motor and pump have displacement adjustment means

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

325  DF  PRESSURE FLUID SOURCE AND MOTOR {47}
487  DF  .~ Input pump and rotary output motor system having displacement varying type of direction or speed selector {3}
490.~.~ Both motor and pump have displacement adjustment means {1}
491  DF  .~.~.~> Having common or intercontrolled adjuster actuating means {1}

DEFINITION

Classification: 60/490

(under subclass 487) Apparatus in which the displacements of both the motor and pump are variable.