METHOD FOR HARVESTING OF FARM PLANTS, HEADER AND DEVICE FOR HEADER Russian patent published in 2006 - IPC A01D91/04 A01D34/00 A01D65/04 

FIELD: agriculture.

SUBSTANCE: method involves grasping and lifting plant stems by means of crescent spiral member; cutting plants by means of cutter bar, said plants lifted by spiral member being cut by means of cutter bar for single rotation of spiral member. Header has crescent spiral members arranged along direction of movement of header and mounted on individual hollow shafts equipped with at least one slot provided in their wall. Incorporated within shaft are knife positioned for reciprocation through slot in shaft wall and knife moving mechanism. Crescent spiral member has narrow tip part for grasping of plant stems, said narrow part being continued with widening part for lifting of plants during rotation of header device, Crescent spiral member is made in the form of ribbon joined to conical surface of shaft end part.

EFFECT: increased efficiency in cutting of lifted lodged plants and provision for preventing elongated plants from winding owing to cutting thereof in the process of displacement of knife cutting part through slot in shaft wall.

6 cl, 1 dwg