Adjustable object size grader

Details Adjustable object size grader Adjustable object size grader

2006-10-10

2006-10-10

Rodriguez, Joseph (Department: 3653)

Classifying, separating, and assorting solids

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

Separating means

C209S671000, C209S672000, C209S673000, C209S674000, C209S667000

Reexamination Certificate

active

07117996

ABSTRACT:
An adjustable apparatus for sizing objects, mainly delicate foods, by the rotation of a set of at least 7 rollers, each roller having one less tooth so that the rollers move at progressively higher revolutions per minute, from the in-feed shear roller of 144 revolutions per minute to the discharge roller of 210 revolutions per minute. The rollers are shaped and finished by 7 to 12 flats, alternated with a crown in between each flat, cut the horizontal length of the roller. The rollers are then sandblasted over the entire circumference of the surface to a depth range of 280 to 300 micro-inches.

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patent: 6382426 (2002-05-01), Nicholson
patent: 6834764 (2004-12-01), Kreft et al.

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