US PATENT SUBCLASS 241 / 173
.~.~.~ Rotary grinding body pusher (e.g., ball chasers)


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  DF  .~.~ With independent means moving or guiding the material and/or grinding bodies in receptacle {1}
173.~.~.~ Rotary grinding body pusher (e.g., ball chasers) {1}
174  DF  .~.~.~.~> Horizontal axis


DEFINITION

Classification: 241/173

(under subclass 172) Apparatus in which the means for moving the grinding bodies comprises a rotary member which pushes the bodies about the receptacle in contact therewith to cause them to roll thereon.

SEE OR SEARCH THIS CLASS, SUBCLASS:

103+, for devices in which the comminuting bodies are mounted between relatively moving frictional drive supporting surfaces which are not mere pushers.