US PATENT SUBCLASS 209 / 442
.~.~.~.~.~ Opposite travel

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

422  DF  STRATIFIERS {6}
*  DD  .~ With liquid treatment {3}
*  DD  .~.~ Movable bed {3}
*  DD  .~.~.~ Chutes and tables {4}
437  DF  .~.~.~.~ Reciprocating {5}
442.~.~.~.~.~ Opposite travel

DEFINITION

Classification: 209/442

(under subclass 437) Reciprocating noncircular chutes or tables, on which the lighter and the heaviest constituents move in opposite directions along the chutes or tables to discharge.