US PATENT SUBCLASS 242 / 483
.~.~.~.~.~ Grooved spool and follower

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}
482.4  DF  .~.~ Guide driven by cam and follower {3}
482.8  DF  .~.~.~ Rotary cam and linearly shifted follower {2}
482.9  DF  .~.~.~.~ Threaded cam {4}
483.~.~.~.~.~ Grooved spool and follower

DEFINITION

Classification: 242/483

Grooved spool and follower:

(under subclass 482.9) Subject matter in which the surface engaged by the follower is a portion of a groove formed in the take-up.