US PATENT SUBCLASS 241 / 143
.~.~.~.~.~ All cooperating surfaces rotate

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

*  DD  APPARATUS {41}
134  DF  .~ Parallel material flow through plural comminuting zones {5}
139  DF  .~.~ All comminuting zones of cooperating surface type {3}
141  DF  .~.~.~ All comminuting zones of rotary surface type {2}
142  DF  .~.~.~.~ Circumferential or tangential material flow only {1}
143.~.~.~.~.~ All cooperating surfaces rotate {2}
144  DF  .~.~.~.~.~.~> Rotary surfaces of separate zones coaxial
145  DF  .~.~.~.~.~.~> Simultaneous adjusting or positioning of separate surfaces

DEFINITION

Classification: 241/143

(under subclass 142) Apparatus in which all of the cooperating surfaces of each comminuting zone rotate relative to each other to comminute the material.

SEE OR SEARCH THIS CLASS, SUBCLASS:

159, for such devices arranged for series flow of material.

227+, for single comminutors in which both cooperating surfaces rotate.