Bar screen with bars of staggered height

Details Bar screen with bars of staggered height Bar screen with bars of staggered height

1993-04-26

1994-11-29

Dayoan, D. Glenn

Classifying, separating, and assorting solids

Sifting

Elements

209674, B07B 149

Patent

active

053681681

ABSTRACT:
A bar screen system comprising two sets of interleaved bars. In each set, the height of the individual bars is staggered so that every third bar is higher than the other bars, which are the same height. The bars are driven such that the bars in one set are approximately 180.degree. behind the other set in their respective predetermined paths of movement, resulting in a tipping and agitation action which tends to present the wood chips loaded at a high rate onto the bar screen in their thickness dimension to the slots between adjacent bars.

REFERENCES:
patent: 1109302 (1914-09-01), Rice
patent: 4935124 (1990-06-01), Daugherty et al.
patent: 5117983 (1992-06-01), Marrs
patent: 5191904 (1993-03-01), Arents et al.

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