HARVESTING MACHINE Russian patent published in 2002 - IPC

FIELD: agricultural engineering. SUBSTANCE: harvesting machine has carrier frame, balancing spring mechanism and working tool body connected to carrier frame for displacement by means of two mechanisms for providing two degrees of freedom. Balancing mechanism has two spring units. One spring unit provides for balancing of working tool in longitudinal direction and other spring unit provides balancing of working tool in transverse direction. EFFECT: improved field contour following by working tool and reduced losses of harvested crop. 4 cl, 5 dwg