Classifying – separating – and assorting solids – Sorting special items – and certain methods and apparatus for... – Condition responsive means controls separating means
Patent
1981-01-15
1983-04-12
Knowles, Allen N.
Classifying, separating, and assorting solids
Sorting special items, and certain methods and apparatus for...
Condition responsive means controls separating means
209617, 209621, 209632, 209634, 209668, 209672, 209914, 209625, B07C 534
Patent
active
043795099
ABSTRACT:
Apparatus for sorting items according to size wherein the items are dropped between a pair of opposed sorting discs having facing sides with the spacing between the sides varying radially of the discs, with withdrawing elements being interposed at various radial locations between the facing sides of the discs for separately receiving the items in accordance with the size thereof.
REFERENCES:
patent: 1056764 (1913-03-01), Naramor
patent: 1492867 (1924-05-01), Thompson
patent: 2364187 (1944-12-01), Birdsall
patent: 3294235 (1966-12-01), Pitkin et al.
patent: 3709328 (1973-01-01), Mohr
patent: 3746166 (1973-07-01), Van Gaalen
patent: 3997058 (1976-12-01), Greer
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