US PATENT SUBCLASS 474 / 190
.~ Including nonmetallic belt-engaging surface portion

Current as of: June, 1999
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474 /   HD   ENDLESS BELT POWER TRANSMISSION SYSTEMS OR COMPONENTS

166  DF  FRICTION DRIVE PULLEY OR GUIDE ROLL {11}
190.~ Including nonmetallic belt-engaging surface portion {3}
191  DF  .~.~> Rubber {1}
193  DF  .~.~> Leather
194  DF  .~.~> Wood or paper

DEFINITION

Classification: 474/190

Including nonmetallic belt-engaging surface portion:

(under subclass 166) Subject matter wherein the surface intended for driving engagement with the belt* includes a material other than metal.

SEE OR SEARCH CLASS

106, Compositions: Coating or Plastic,

36, for a coating or plastic composition to enhance friction grip. [figure]