Classifier

Details Classifier Classifier

1987-08-07

1989-07-18

Cherry, Johnny D.

Classifying, separating, and assorting solids

Sifting

Plane sifters

209341, 2093652, 209405, 209412, 248900, B07B 128, B07B 146

Patent

active

048486078

ABSTRACT:
A tray classifier in which the trays are locked together easily, and stay locked together while being shaken, but are movable with respect to each other if the trays came in contact with an object. The trays have upper and lower locking surfaces which nest with the locking surfaces of the stack locking member of an adjacent upper or lower tray.

REFERENCES:
patent: 275320 (1883-04-01), Allen
patent: 318983 (1885-06-01), Hecker
patent: 1312324 (1919-08-01), Hawkins
patent: 2120032 (1938-06-01), Mess et al.
patent: 2191504 (1940-02-01), Smith
patent: 2663423 (1953-12-01), Wheeler
patent: 3331508 (1967-07-01), Andren
patent: 4107035 (1978-08-01), Foresman

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