US PATENT SUBCLASS 209 / 666
.~.~.~.~ Item moves along curved gauging passage

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}
659  DF  .~.~ Sorting items by size {3}
660  DF  .~.~.~ Item of particular size passed through gauging passage between separate elements {9}
666.~.~.~.~ Item moves along curved gauging passage

DEFINITION

Classification: 209/666

(under subclass 660) Item moves along curved gauging passage: Methods and apparatus wherein an item moves along a curved gauging passage.

(1) Note. Included here, inter alia, are rings spaced apart to provide a gauging passage therebetween, and a disk having its edge spaced from a curved bar.