US PATENT SUBCLASS 198 / 690.2
.~.~ Transversely extending enlongated ridge means formed on or attached by nonmechanical means to the conveyor

Current as of: June, 1999
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198 /   HD   CONVEYORS: POWER-DRIVEN

618  DF  CONVEYOR SECTION {26}
688.1  DF  .~ Having means to enhance the friction or adherence between the conveyor and load at random locations on conveyor {8}
690.2.~.~ Transversely extending enlongated ridge means formed on or attached by nonmechanical means to the conveyor

DEFINITION

Classification: 198/690.2

Transversely extending elongated ridge means formed on or attached by nonmechanical means to the conveyor:

(under subclass 688.1) Apparatus having an elongated laterally extending projection formed on or attached, without using mechanical fastener means, to the conveyor for the purpose of increasing the frictional relationship between the conveyor and the load.