US PATENT SUBCLASS 209 / 431
.~.~.~.~ Reciprocating support

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}
428  DF  .~.~.~ Belt {3}
431.~.~.~.~ Reciprocating support {2}
432  DF  .~.~.~.~.~> Divergent travel
433  DF  .~.~.~.~.~> Opposite travel

DEFINITION

Classification: 209/431

(under subclass 428) Endless rotating belts on which material is treated with accompanying or added liquid, so that the heaviest constituents may settle as a stratum on the belts and the lighter either form an overlying stratum or are carried away by the liquid, are mounted on the support so that they may be given a reciprocating movement in addition to their rotating movement.