US PATENT SUBCLASS 242 / 542
.~.~.~ Plural drums

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}
542.~.~.~ Plural drums {2}
542.1  DF  .~.~.~.~> Driven at different speeds
542.2  DF  .~.~.~.~> Shiftable drum

DEFINITION

Classification: 242/542

Plural drums:

(under subclass 541) Subject matter wherein the motion transmitting mechanism includes multiple take-up rotating members formed as rollers.

SEE OR SEARCH CLASS

492, Roll or Roller, for details of a roller of general use.