US PATENT SUBCLASS 242 / 481.9
.~.~.~ Cam is grooved material-receiving spool

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

470  DF  HELICAL OR RANDOM WINDING OF MATERIAL {17}
476.7  DF  .~ Distributing material along the package {24}
481.8  DF  .~.~ By cam engaging material {5}
481.9.~.~.~ Cam is grooved material-receiving spool

DEFINITION

Classification: 242/481.9

Cam is grooved material-receiving spool:

(under subclass 481.8) Subject matter in which the material engaging surface is in the form of a groove on the take-up.