US PATENT SUBCLASS 242 / 564.4
.~.~.~ Roller or sprocket

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

550  DF  UNWINDING {8}
564  DF  .~ With drive mechanism {3}
564.3  DF  .~.~ Feeder spaced from coil {1}
564.4.~.~.~ Roller or sprocket

DEFINITION

Classification: 242/564.4

Roller or sprocket:

(under subclass 564.3) Subject matter wherein the output element is formed as a wheellike element (e.g., a friction or toothed drum or disk).