US PATENT SUBCLASS 209 / 288
.~.~.~ Rotating

Current as of: June, 1999
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209 /   HD   CLASSIFYING, SEPARATING, AND ASSORTING SOLIDS

233  DF  SIFTING {16}
*  DD  .~ Drum sifters {2}
*  DD  .~.~ Horizontal and inclined {4}
288.~.~.~ Rotating {3}
289  DF  .~.~.~.~> Multiple {2}
293  DF  .~.~.~.~> With agitators and conveyors {3}
299  DF  .~.~.~.~> Lifters and beaters

DEFINITION

Classification: 209/288

(under subclass 233) Cylindrical or drum sifters mounted with their axes in horizontal or inclined position and having rotary motion.

SEE OR SEARCH CLASS

99, Foods and Beverages: Apparatus,

521, and 605+ for rotating perforated hulling surfaces.

241, Solid Material Comminution or Disintegration,

91+, for comminutors having a rotating comminuting surface having openings. 460, Crop Threshing or Separating,

59+, and 123+ for cylinder threshing machines and vine and vine and seed strippers.