GRAIN COMBINE Russian patent published in 2003 - IPC

FIELD: agricultural engineering. SUBSTANCE: grain combine has threshing cylinder, stirring- distributing device and skirt positioned above double-roll stepped straw-walkers having two sloping surfaces. Single- roll straw-walkers having two sloping surfaces are positioned between threshing cylinder and double-roll straw- walkers. One sloping surface of single-roll straw-walkers is inclined to threshing cylinder and other sloping surface is extending in horizontal plane. Free end of horizontal sloping surface of single-roll straw-walkers is positioned above front step of double-roll straw-walkers. Apparatus is used for intensive separating of grain from heap. EFFECT: increased efficiency by reliable pulling aside and stirring of coarse straw heap and intensified separating of grain. 2 dwg