US PATENT SUBCLASS 242 / 541.6
.~.~.~.~.~ Fluid actuator

Current as of: June, 1999
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242 /   HD   WINDING, TENSIONING, OR GUIDING

520  DF  CONVOLUTE WINDING OF MATERIAL {17}
540  DF  .~ With particular drive {5}
541  DF  .~.~ Driver engages coil periphery {7}
541.4  DF  .~.~.~ With drive pressure regulator (e.g., nip pressure control) {2}
541.5  DF  .~.~.~.~ Coil engaging pressure element {1}
541.6.~.~.~.~.~ Fluid actuator

DEFINITION

Classification: 242/541.6

Fluid actuator:

(under subclass 541.5) Subject matter wherein the means for shifting the output member is actuated by a hydraulic or pneumatic pressure operator.