US PATENT SUBCLASS 209 / 647
.~.~.~.~ Counterbalance on balance beam moved until beam tilts to item discharging position

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}
645  DF  .~.~ Sorting items by weight {3}
646  DF  .~.~.~ Orbiting or rotating carrier responsive to item weight {2}
647.~.~.~.~ Counterbalance on balance beam moved until beam tilts to item discharging position

DEFINITION

Classification: 209/647

Counterbalance on balance beam moved until beam tilts to item discharging position:

(under subclass 646) Methods and apparatus wherein said carrier comprises a balance beam on one end of which an item is supported and a counterbalance which is moved along said balance beam until it reaches a position at which the balance beam tilts to an item discharging position.