US PATENT SUBCLASS 198 / 499
.~.~.~ With scraper biasing means

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

493  DF  CONVEYOR HAVING IMPINGING FLUID TO FEED, SHIFT OR DISCHARGE LOAD; OR MEANS TO FACILITATE CLEANING OF CONVEYOR; OR STERILIZING OR LUBRICATING MEANS {2}
494  DF  .~ Having cleaning means {3}
497  DF  .~.~ By conveyor contacting scraper {2}
499.~.~.~ With scraper biasing means

DEFINITION

Classification: 198/499

(under subclass 497) Apparatus wherein the means for removing the unwanted material includes means which urge the blade-like member into contact with the surface to be cleaned.