US PATENT SUBCLASS 474 / 178
.~.~.~ Layer or insert of resilient material

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  DF  .~.~ And circumferentially continuous belt-engaging layer or insert of diverse material added on or between groove-forming flanges {1}
178.~.~.~ Layer or insert of resilient material

DEFINITION

Classification: 474/178

Layer or insert of resilient material:

(under subclass 177) Subject matter wherein the coating or additional member is formed of a material having an elastic property. [figure]