US PATENT SUBCLASS 172 / 560
.~.~ Cleaner for pair of converging disks

Current as of: June, 1999
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172 /   HD   EARTH WORKING

518  DF  ROLLING, ROTATING OR ORBITALLY MOVING TOOL {30}
558  DF  .~ With disk cleaning means {6}
560.~.~ Cleaner for pair of converging disks

DEFINITION

Classification: 172/560

(under subclass 558) Apparatus in which earth is removed from a pair of platelike members which converge towards each other and touch or are closely adjacent at their convergent ends.

SEE OR SEARCH THIS CLASS, SUBCLASS:

575, for converging touching disks.