THRESHING DEVICE (VERSIONS) Russian patent published in 2013 - IPC A01F12/18 A01F12/24 

FIELD: agriculture.

SUBSTANCE: group of inventions relates to agricultural machinery industry. The threshing device consists of a drum with toothed working elements or a multi-operated drum equipped with toothed working elements and corrugated bars, and a grate-type concave. The toothed working elements can be fixed in working or non-working positions. The grate-type concave can be made with additional removable extreme crossbars with projections extending between the teeth of the drum. The device can be made in three versions. In the version for threshing grain crops the drum is made with corrugated bars fixed in the non-working position, and the concave is without additional planks. In the version for threshing small-seeded crops the drum is made with corrugated bars fixed in the working position, and the concave is without additional planks. In the version for threshing rice the drum is made with corrugated bars fixed in the non-working position, and the concave is with mounted additional planks.

EFFECT: invention provides creation of a threshing device unified for grain combine harvesters and paddy combines, and enable to provide high efficiency at thrashing all crops harvested by grain combine harvesters and paddy combines.

9 cl, 11 wdg