Cleaning system for an agricultural combine

Details Cleaning system for an agricultural combine Cleaning system for an agricultural combine

1994-08-02

1996-06-11

Melius, Terry Lee

Crop threshing or separating

Cleaner

Sieve or grate

460 94, A01F 1232

Patent

active

055251080

ABSTRACT:
An agricultural combine cleaning system including a cleaning sieve having a series of generally parallel slat rows arranged in at least first and second cleaning sections. A first series of passages is provided between adjacent slat rows of the first cleaning section while a second series of passages is defined between adjacent slat rows of the second cleaning section. A slat adjustment assembly having a single controller is provided for adjusting the first and second passages in the first and second cleaning sections simultaneously in response to movement of the single controller. The controller is threadably connected to an actuator whose endwise disposition controls the angular displacement of the slat rows and thereby the passages between adjacent slat rows. The threaded connection between the actuator and the rotatable controller is located in a cavity or chamber which is sealed to prevent contaminates from interfering with the threaded connection thereby facilitating adjustment of the slat rows on the combine sieve.

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