Sorting system and apparatus

Details Sorting system and apparatus Sorting system and apparatus

1978-09-06

1979-12-04

Knowles, Allen N.

Classifying, separating, and assorting solids

Sorting special items, and certain methods and apparatus for...

Separating means

209699, 209640, B07C 100, A01D 3302

Patent

active

041767500

ABSTRACT:
Method and apparatus for sorting objects exhibiting identifiable dynamic response to vibrational phenomena, such objects including potatoes, onions, tomatoes and other comestibles. The system utilizes an elongate sorting zone incorporating a surface which oscillates at a predetermined frequency and amplitude which varies from a minimum at the input of the zone to a maximum value at the output thereof. The objects to be sorted move along the zone supported from two positions for a coding interval promoting their dynamic reaction with the oscillatory surface. Objects with higher resilience characteristic are rejected from the zone, while those exhibiting a lesser resilence are transported therethrough. The oscillatory surface is dynamically balanced and readily mounted upon field harvesting devices. By adjustment of frequency of the sorting zone oscillatory surfaces, a multi-stage sorting system is made available.

REFERENCES:
patent: 3680694 (1972-08-01), Hamann

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