US PATENT SUBCLASS 241 / 79.3
.~.~.~.~ Sifting device rotates

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

*  DD  APPARATUS {41}
68  DF  .~ With separation or classification of material {7}
79  DF  .~.~ Separator in discharge from comminuting zone {3}
79.2  DF  .~.~.~ Rotating comminutor combined with a sifting device {1}
79.3.~.~.~.~ Sifting device rotates

DEFINITION

Classification: 241/79.3

(under subclass 79.2) Device provided with a perforated separating surface which revolves about a fixed axis in an arc of at least 360 deg..