SILAGE AND HAY CUTTING AND LOADING APPARATUS Russian patent published in 2001 - IPC

FIELD: agriculture. SUBSTANCE: apparatus has frame with horizontal forks and U-shaped knife including front and two side cutting members connected one with another. Fork central tooth is fixed rigidly and other teeth are arranged in longitudinal slots of horizontal beam for movement by means of links of pivot link mechanism. Central teeth of pivot link mechanism are pivotally fixed on fingers of poles set in inclined guides and interconnected through coupling screw. According to kind of feed, teeth pitch is changed by rotating coupling screw to allow feed blocks to be separated from supporting surface and lifted without spilling. EFFECT: increased efficiency and simplified construction. 6 dwg