PICKUP-STACKER Russian patent published in 1998 - IPC

FIELD: agriculture. SUBSTANCE: pickup-stacker has frame, pickup mounted on frame, elevator, housing mounted on elevator top end and cylindrical hopper with movable rear wall and rotating bottom. Stack top shaping device is positioned in upper part of hopper. Channel is formed under stack by means of channel forming device positioned in tray-shaped opening of window in rotating bottom of cylindrical hopper. Hydraulic cylinder is fixed on rotating bottom of cylindrical hopper and kinematically connected through parallelogram mechanism with guide of upper shaping part of housing of channel forming device. Channel formed under stack allows natural ventilation of stack mass in vertical plane to be provided and grass mass with high moisture content to be stacked. EFFECT: increased efficiency, simplified construction and enhanced reliability in operation. 3 cl, 4 dwg