US PATENT SUBCLASS 460 / 34
.~.~.~.~ With abrasive surface, e.g., rubber surface

Current as of: June, 1999
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460 /   HD   CROP THRESHING OR SEPARATING

25  DF  CORN PROCESSING APPARATUS {2}
26  DF  .~ With corn snapping or husking means {8}
29  DF  .~.~ Including a husking or snapping roll {2}
31  DF  .~.~.~ Including particular roll construction {3}
34.~.~.~.~ With abrasive surface, e.g., rubber surface

DEFINITION

Classification: 460/34

With abrasive surface, (e.g., rubber surface):

(under subclass 31) Subject matter wherein a part of the roll surface is formed of granular, rough or abrasive particles.

(1) Note. The increased frictional engagement of the roll surface lessons clogging of the rolls.