US PATENT SUBCLASS 241 / 120
.~.~.~ Positively driven plural surfaces

Current as of: June, 1999
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241 /   HD   SOLID MATERIAL COMMINUTION OR DISINTEGRATION

*  DD  APPARATUS {41}
107  DF  .~ Plural rotary or oscillatory surfaces cooperate with common surface (e.g., chasing mills) {9}
117  DF  .~.~ Common surface moves during comminution {4}
120.~.~.~ Positively driven plural surfaces

DEFINITION

Classification: 241/120

(under subclass 117) Apparatus in which at least one of the plural surfaces has a drive means which imparts to it a positive rotation.

SEE OR SEARCH THIS CLASS, SUBCLASS:

126, for positively driven plural surfaces which have planetary motion and cooperate with a stationary common surface.