US PATENT SUBCLASS 209 / 323
.~.~.~.~.~.~ Unattached

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

233  DF  SIFTING {16}
*  DD  .~ Plane sifters {2}
*  DD  .~.~ Horizontal and inclined {4}
*  DD  .~.~.~ Reciprocating {6}
320  DF  .~.~.~.~ With agitators and conveyors {3}
322  DF  .~.~.~.~.~ Reciprocating {1}
323.~.~.~.~.~.~ Unattached

DEFINITION

Classification: 209/323

(under subclass 322) Reciprocating agitators associated with flat reciprocating sifters are not attached positively to the sifter, but are free to move relatively to the sifter element, generally by inertia impulse.

SEE OR SEARCH THIS CLASS, SUBCLASS:

379+, for sifting passage clearers.