Cleaning shoe screen for an agricultural combine having readily

Details Cleaning shoe screen for an agricultural combine having readily Cleaning shoe screen for an agricultural combine having readily

1987-05-15

1988-09-13

Hirsch, Paul J.

Classifying, separating, and assorting solids

Adhesion

With selective differentiation

130 24, 209394, A01F 1232

Patent

active

047701900

ABSTRACT:
A cleaning shoe of an agricultural combine having a chaffer screen and sieve screen which are provided with readily replaceable louvers. Both the chaffer and sieve have rectangular frames across which extend laterally arranged louvers. The louvers are held in place by a readily removable adjustment bar which is used for adjusting the opening side defined by the louvers. The adjustment bar is slidably mounted in a U-shaped member having inwardly turned lips that together with a retainer strip and a spring lock the adjustment bar into the frame thereby holding the louvers in place. By removing the retainer strip and spring, the adjustment bar can be removed and the louver replaced.

REFERENCES:
patent: 579793 (1897-03-01), Ditch
patent: 682670 (1901-09-01), Closz
patent: 784828 (1905-03-01), Armstrong
patent: 925623 (1909-06-01), Closz
patent: 1288213 (1918-12-01), Salonen
patent: 2253296 (1941-08-01), Holtzman
patent: 2413382 (1946-12-01), Sargent et al.
patent: 3385438 (1968-05-01), Fisher
patent: 4502493 (1985-03-01), Jones et al.

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