US PATENT SUBCLASS 209 / 310
.~.~.~.~ Distorting

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}
310.~.~.~.~ Distorting

DEFINITION

Classification: 209/310

(under subclass 233) Sifters of a generally flat shape having a shaking motion produced by distortion of the sifting element in which the sifting passages are formed.