THRESHING APPARATUS Russian patent published in 2007 - IPC A01F12/28 A01F12/20 

FIELD: agricultural engineering, in particular, equipment for threshing of farm crops.

SUBSTANCE: threshing apparatus has drum and grate-type concave. Drum has working members formed as bases with rows of curved teeth equal in length. Working members are formed as drum casing members and equipped with replaceable teeth sections secured by means of bolted connections to base teeth. Bolted connections are placed within two teeth of section, other teeth of said section being furnished with pins fixed therein so that pins are inserted into base tooth openings. Plant positioned on at least two diametrically opposite bases, forward of teeth, has convex working surface partly covering teeth throughout the entire height thereof.

EFFECT: reduced labor intensity for securing of replaceable teeth to drum casing.

2 cl, 3 dwg