US PATENT SUBCLASS 241 / 172
.~.~ With independent means moving or guiding the material and/or grinding bodies in receptacle

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

*  DD  APPARATUS {41}
170  DF  .~ Loose grinding body comminutor (e.g., ball or rod mills) {6}
172.~.~ With independent means moving or guiding the material and/or grinding bodies in receptacle {1}
173  DF  .~.~.~> Rotary grinding body pusher (e.g., ball chasers) {1}

DEFINITION

Classification: 241/172

(under subclass 170) Apparatus provided with means mounted independently of the receptacle for the loose grinding bodies which moves or guides the material and/or the grinding bodies during the comminuting operation to aid in the comminution.