US PATENT SUBCLASS 209 / 690
.~.~.~ Items travel circumferentially and longitudinally of turning axis

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}
606  DF  .~ Separating means {33}
689  DF  .~.~ Items separate by traveling in different directions while contacting drumlike body (e.g., roller, hollow cylinder, etc.) turning about longitudinal axis thereof {1}
690.~.~.~ Items travel circumferentially and longitudinally of turning axis

DEFINITION

Classification: 209/690

Items travel circumferentially and longitudinally of turning axis:

(under subclass 689) Methods and apparatus wherein some items travel circumferentially of the axis of rotation of said body, while other items travel in the direction of said axis.