US PATENT SUBCLASS 60 / 480
.~.~ Telescopic ram

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

325  DF  PRESSURE FLUID SOURCE AND MOTOR {47}
477  DF  .~ Ram driven by fluid pumped from reservoir {4}
480.~.~ Telescopic ram

DEFINITION

Classification: 60/480

(under subclass 477) Apparatus in which the ram is made up of concentric cylinders that move axially relative to each other under the pressure of the pumped fluid.