Classifying – separating – and assorting solids – Sorting special items – and certain methods and apparatus for... – Condition responsive means controls separating means
Patent
1981-11-12
1985-12-31
Reeves, Robert B.
Classifying, separating, and assorting solids
Sorting special items, and certain methods and apparatus for...
Condition responsive means controls separating means
198728, 209518, 209551, 209917, B07C 510
Patent
active
045615462
ABSTRACT:
A seedling grading machine for sorting and collecting seedling trees according to size comprises a conveyor including a longitudinal grate and carrier rods that extend through the grate for moving the seedlings sideways along the grate; an electronic photocell control for measuring the height of each seedling at a front portion of the grate; a series of longitudinally separated gates positioned downstream of the photocell control, each gate corresponding to a given size classification of seedling and opening downwardly to drop the seedling through the gate in accordance with the measured height of the seedling; a dumpable bin in position below each gate to collect the seedlings; an electronic counting means for counting the number of seedlings deposited in each collector bin; a dumping mechanism for dumping each collector bin after a predetermined number of seedlings have been deposited therein; and a conveyor for conveying the seedlings dumped from the collector bin to a packaging station. The gates can be opened by electronic controls actuated by the photocell control or they can be actuated by a detent pin and limit switch mechanism operated by the movement of the conveyor.
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Hajec Donald T.
Reeves Robert B.
Van Slooten Marion
Waters John A.
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