US PATENT SUBCLASS 242 / 482.2
.~.~.~ Wear-resistant groove structure

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}
482.2.~.~.~ Wear-resistant groove structure

DEFINITION

Classification: 242/482.2

Wear-resistant groove structure:

(under subclass 481.8) Subject matter in which the material engaging surface includes the side surfaces of a groove formed in the rotating member and the rotating member includes means to reduce wear of the surface due to rubbing contact with the material.