GRAIN COMBINE HARVESTER Russian patent published in 2014 - IPC A01D41/00 

FIELD: agriculture.

SUBSTANCE: invention relates to agricultural machinery industry, in particular to devices for separation of coarse heap on grain combine harvesters. The grain combine harvester comprises one threshing machine, a straw rack, primary and additional shaking boards, the upper and lower sieves. The additional shaking board is mounted inside the front part of each key of the straw rack and is inclined towards the threshing machine. Reduction of the load on the upper sieve is provided in threshing grain mass of low humidity.

EFFECT: increased productivity of the combine and grain loss reduction is achieved.

2 dwg