US PATENT SUBCLASS 241 / 189.2
.~.~ Reversible rotary mill

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

*  DD  APPARATUS {41}
189.1  DF  .~ Rotary striking member with circumferential or tangential flow {1}
189.2.~.~ Reversible rotary mill {1}
190  DF  .~.~.~> With intermeshing impact members

DEFINITION

Classification: 241/189.2

Reversible rotary mill:

(under subclass 189.1) Apparatus wherein the rotary striking member is adapted to comminute in either direction of rotation.