US PATENT SUBCLASS 209 / 328
.~.~.~.~.~.~ With impact

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}
325  DF  .~.~.~.~ With horizontal and vertical shake {3}
327  DF  .~.~.~.~.~ Lateral {1}
328.~.~.~.~.~.~ With impact

DEFINITION

Classification: 209/328

(under subclass 327) Flat sifters having movement both horizontally and vertically, the horizontal movement being transverse to the sifter or the line of movement toward discharge of the material and in which one or both of the movements are impactive or bumping.