DEVICE THRESHING PERENNIAL LEGUMES Russian patent published in 2012 - IPC A01F11/04 A01F12/18 A01F12/24 

FIELD: agriculture.

SUBSTANCE: device comprises a rotor 1mounted inside a cylindrical casing 2. Casing 2 has guide edges 3 on its inner surface. At the lower part of the casing 2 in the threshing area a deck 4 is located in the form of a perforated grid with square/rectangular holes spaced in rows. Subsequent rows of holes are placed one after another. Deck 4 has a perforated plate 5 mounted with the ability to move along the deck 4 and the partial overlap of its surface. Perforated plate 5 has holes similar to the deck 4 holes. When shifting the plate 5 along the deck 4 the free cross-sectional area of the deck 4 and bandwidth change, which increases the time spent by the mass in the threshing area and provides a passing of seeds just wiped from the clover hulls.

EFFECT: invention may be used for harvesting legumes by grain harvesting combine.

3 dwg