US PATENT SUBCLASS 242 / 541.7
.~.~.~.~ 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}
541.7.~.~.~.~ Fluid actuator


DEFINITION

Classification: 242/541.7

Fluid actuator:

(under subclass 541.4) Subject matter wherein the means to adjust the force of engagement between the take-up and output member is actuated by a hydraulic or pneumatic actuator.