Classifying – separating – and assorting solids – Sorting special items – and certain methods and apparatus for... – Condition responsive means controls separating means
Patent
1994-02-09
1996-01-02
Terrell, William E.
Classifying, separating, and assorting solids
Sorting special items, and certain methods and apparatus for...
Condition responsive means controls separating means
209657, 209900, 1983671, 1984601, 271270, 271297, 271305, B07C 536, B65G 4700
Patent
active
054800323
ABSTRACT:
A wide variety of product types, sizes and shapes are sorted into designated destination bins or other outputs utilizing a computer controlled transport path that includes an infeed section and a pinch roller diverting section. The infeed section receives a singulated stream of products to be sorted, optically scans each product for a destination code and transports the products downstream to the diverting section. The diverting section consists of a series of individually and selectively controlled roller pairs in combination with a number of diverting gates. Each roller pair includes an upper foam covered pinch roller and a lower friction drive roller oriented such that products moving downstream pass between each roller pair until diverted from the transport path. An array of photoelectric detectors provide product position information to identify and track product movement through the apparatus. The computer controls the transport path by energizing individual drive rollers to effectuate downstream product movement, and actuating diverting gates to divert the products from the transport path into designated output bins according to their scanned destination codes.
REFERENCES:
patent: 2773595 (1956-12-01), Westin
patent: 4281756 (1981-08-01), Bruno
patent: 4503976 (1985-03-01), Cloud et al.
patent: 4697486 (1987-10-01), Vulcano
patent: 4723773 (1988-02-01), Westover et al.
patent: 5186336 (1993-02-01), Pippin et al.
Flagg, Jr. Kenneth C.
Pippin James M.
Robertson Gary S.
ElectroCom Automation, Inc.
Meier Harold E.
Nguyen Tuan
Terrell William E.
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