STRAIGHT-FLOW OUTSIDE THRESHING CHAMBER Russian patent published in 1997 - IPC

FIELD: agricultural engineering, in particular, threshing devices for paniculate crops. SUBSTANCE: threshing device has frame 1, threshing chamber 2 mounted on frame 1 and provided with pair of rolls 3, feeding screw conveyor 4 and discharge screw conveyor 5, which are positioned at ends of rolls 3. Grain collector 6 with guides 7 is positioned above rolls 3, which are embraced from below with grain collecting chutes 8. Plant panicles are gripped by screw conveyors 4 and fed for threshing to blades of rolls 3. Trashed grain is conveyed through grain collector 6 along grain guide 11 into hopper. EFFECT: increased efficiency, simplified construction and enhanced reliability in operation. 6 dwg