Patent ID: 6079192
Filing Date: 2000-06-27
Classification: A01D,Y10S

Abstract:
In a harvester having a transversely extending row unit support frame, and a plurality of row units transversely spaced on the frame including at least one movable row unit supported for transverse movement on the support frame and having a row receiving area adapted for alignment with a row of crop, a row unit alignment system comprising:a crop row feeler supported by the movable row unit, the feeler movable with changes in alignment between the row of crop and the row receiving area;a hydraulic valve including an actuator supported adjacent the crop row feeler and mechanically connected to the feeler for movement therewith;a hydraulic cylinder connected between the support frame and the movable row unit, anda hydraulic line connecting the hydraulic valve to the cylinder and to a source of hydraulic fluid under pressure for operating the cylinder to move the row unit in response to movement of the actuator by the row crop feeler to maintain a preselected alignment between the crop row and the row receiving area.