US PATENT SUBCLASS 209 / 518
.~.~ Condition responsive means controls separating means

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}
517  DF  .~ Sorting lumber, logs, pipes, rails, or like items {2}
518.~.~ Condition responsive means controls separating means {2}
519  DF  .~.~.~> Relatively movable calipers closed against item
520  DF  .~.~.~> Sensor responsive to item contact

DEFINITION

Classification: 209/518

Condition responsive means controls separating means:

(under subclass 517) Methods and apparatus including means for sensing a condition of items and controlling separating means in accordance therewith.