US PATENT SUBCLASS 209 / 553
.~.~ Cards or sheets separated by rotatable suction drum

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

509  DF  SORTING SPECIAL ITEMS, AND CERTAIN METHODS AND APPARATUS (E.G., POCKET TYPE AND LIGHT RESPONSIVE SORTING, ETC.) FOR SORTING ANY ITEMS {11}
552  DF  .~ Condition responsive means controls separating means {13}
553.~.~ Cards or sheets separated by rotatable suction drum

DEFINITION

Classification: 209/553

Cards or sheets separated by rotatable suction drum:

(under subclass 552) Methods and apparatus wherein cards or sheets are separated by means of a rotatable drum against which said items are held by suction until delivered to particular locations.