US PATENT SUBCLASS 144 / 250.14
.~.~.~ Urged by variable fluid pressure

Current as of: June, 1999
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144 /   HD   WOODWORKING

242.1  DF  FEEDER OR PRESSER {10}
250.12  DF  .~ Nonfeeding presser {4}
250.13  DF  .~.~ Presser roll {3}
250.14.~.~.~ Urged by variable fluid pressure

DEFINITION

Classification: 144/250.14

Urged by variable fluid pressure:

(under subclass 250.13) Pressure roll having means to move the roll toward the work by hydraulic force, wherein the hydraulic force can be changed.