| 209 / | HD | CLASSIFYING, SEPARATING, AND ASSORTING SOLIDS |
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| 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} |
| 667 |  | .~.~.~.~ Gauging passage between rotatable elements {6} |
| 668 | DF | .~.~.~.~.~> Element adjustable to change width of gauging passage |
| 669 | DF | .~.~.~.~.~> Helical roller |
| 670 | DF | .~.~.~.~.~> Items move longitudinally of gauging passage varying in width along length thereof |
| 671 | DF | .~.~.~.~.~> Spindle or roller having projecting elements spaced circumferentially thereof |
| 672 | DF | .~.~.~.~.~> Spindle or roller having axially spaced, flat-sided circumferential elements (e.g., flanges, disks, wheels, etc.) projecting therefrom |
| 673 | DF | .~.~.~.~.~> Cylindrical rollers |