US PATENT SUBCLASS 209 / 319
.~.~.~.~.~.~ Attaching and adjusting

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}
311  DF  .~.~.~.~ Multiple {4}
315  DF  .~.~.~.~.~ Superposed {4}
319.~.~.~.~.~.~ Attaching and adjusting

DEFINITION

Classification: 209/319

(under subclass 315) Pluralities of flat reciprocating sifters arranged one above another having special structure or means for attaching or adjusting the sifting elements.

(1) Note. This subclass takes only those devices which include the defined pluralities of sifters and have attaching or adjusting features for one or more of the sifters. For devices for adjusting or attaching single sifters or sifters of other plural types, see the Search Notes below.

SEE OR SEARCH THIS CLASS, SUBCLASS:

404, and 405, for devices for adjusting or attaching single sifters or sifters of other plural types.