US PATENT SUBCLASS 474 / 177
.~.~ And circumferentially continuous belt-engaging layer or insert of diverse material added on or between groove-forming flanges

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}
174  DF  .~ Pulley or guide roll including circumferential belt-receiving groove {4}
177.~.~ And circumferentially continuous belt-engaging layer or insert of diverse material added on or between groove-forming flanges {1}
178  DF  .~.~.~> Layer or insert of resilient material

DEFINITION

Classification: 474/177

And circumferentially continuous belt-engaging layer or insert of diverse material added on or between groove-forming flanges:

(under subclass 174) Subject matter wherein a component which has been shaped or arranged to provide the belt*-receiving space includes an added coating on the component or an additional member inserted into the belt-receiving space, said coating or additional member being formed of a material different from the material from which the component is formed, and said added coating or additional member being for drivingly engaging the belt and extending uninterruptedly around the circumference of the pulley* or guide roll*.

SEE OR SEARCH CLASS

106, Compositions: Coating or Plastic,

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