US PATENT SUBCLASS 242 / 542.4
.~.~.~ Particular drum

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


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}
542.4.~.~.~ Particular drum

DEFINITION

Classification: 242/542.4

Particular drum:

(under subclass 541) Subject matter wherein the mechanism for transmitting torque includes a drive roller and special significance is attributed to the construction or mounting of the roller.

SEE OR SEARCH CLASS

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