POTATO HARVESTER Russian patent published in 1997 - IPC

FIELD: agricultural engineering. SUBSTANCE: potato harvester has frame 1, digging out tool 2 and separating cylinder 9, which are mounted on frame 1. Cylinder 9 is positioned within housing 8 whose inner surface is provided with rolls fixed for engagement with cylinder 9. Casings and mechanism for changing cylinder inclination angle are mounted above outer surface of cylinder 9. Cylinder inclination angle changing mechanism is positioned under housing 8 and has two variable-length tie-rods and two rockers. Each rocker is mounted through shaft on frame 1 at sides of cylinder 9 below its discharge part. One end of each tie-rod is mounted on frame 1 and other end is attached to one rocker. EFFECT: increased efficiency, simplified construction and enhanced reliability in operation. 2 cl, 4 dwg