IMPROVED COUNTER-BEATER FOR COMBINE HARVESTER

摘要

The present invention relates to an improved concave for a combine harvester, comprising at least one modular counter-threshing element of the type comprising a set of transverse bars 2a, 2b forming counter-bumps, axially spaced. / P P According to the invention, each counter-threshing element comprises means for adjusting the distance between bars, preferably comprising shutter elements 3 intended to adjustably close off the opening formed between two successive bars, and control means in displacement of said shutter members 3, to adapt said concave to any harvest, without dismantling organs. / P P The invention is particularly applicable in the agricultural industry. / P