Method and apparatus for grading objects in accordance to size

Details Method and apparatus for grading objects in accordance to size Method and apparatus for grading objects in accordance to size

1991-09-09

1993-03-30

Hajec, Donald T.

Classifying, separating, and assorting solids

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

Condition responsive means controls separating means

198434, 209539, 209657, 209931, 209934, B07C 504, B07C 536

Patent

active

051976072

ABSTRACT:
In a method and apparatus for grading objects according to their size, the objects are advanced along a broad, flat and divided conveyer path. Image data relating to the size of respective objects is obtained with the aid of a camera scanning against a light source. At the correct moment in time, control signals are transmitted to finger groups, preferably four, which function to guide ten or more objects simultaneously in mutually different directions, in accordance with the respective sizes of the objects. In one embodiment, the lowest fingers are replaced with triangular-shaped guidance blocks. A large number of objects can be sorted gently and effectively from the transport path into mutually different, individually selective sizes.

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