THRESHING DRUM Russian patent published in 2013 - IPC A01F12/20 

FIELD: agriculture.

SUBSTANCE: invention relates to agricultural machinery industry, in particular to threshing devices for threshing agricultural crops. The threshing drum comprises a housing formed by the discs. The discs are connected to each other by under-beaters forming ledges with the toothed working elements attached to them. At least on two toothed working elements streamlined bars are placed. The rest of the toothed working elements or their part is equipped with folding streamlined bars attached to the plates pivotally connected to the under-beaters of the housing. The folding streamlined bars are fixed on the housing in nonoperating position with the ability to transfer to the operating position.

EFFECT: threshing drum can be operated in two variants - with folding streamlined bars fixed on the housing in nonoperating or operating position, that provides high efficiency during thrashing all cultures.

2 cl, 4 dwg