US PATENT SUBCLASS 209 / 407
.~.~.~.~ Sectional

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

233  DF  SIFTING {16}
363  DF  .~ Elements {7}
*  DD  .~.~ Frames {4}
406  DF  .~.~.~ Drum {1}
407.~.~.~.~ Sectional

DEFINITION

Classification: 209/407

(under subclass 406) Frames to which the sifting elements of sectional drum or cylindrical sifters are attached.

(1) Note. The sifter may be made up of a plurality of frames carrying sifting elements or may be a frame adapted for the reception or attachment of a plurality of sections of sifting elements.

SEE OR SEARCH THIS CLASS, SUBCLASS:

286, for drum, or hollow cylinder sifter having material

inlets in the peripheral walls.