DIRECT SOWING MACHINE TRAILED WITH TRACTOR

摘要

PURPOSE:To provide a tractor-trailed direct sowing machine capable of constantly opening furrows having uniform depth and sowing seeds into the furrow even on an unplowed field having many irregular swells and recesses. CONSTITUTION:A lift arm 65 is connected in a state to enable the pitching, rolling and lateral swinging motions to a transmission case 41 of a driving force transmission 40 to transmit the driving force of a tractor T to the main body 10 of a direct sowing machine. The direct sowing machine main body is connected to the lift arm 65 in a state freely rotatable around a connection pin 68. The front and rear parts of the direct sowing machine main body is supported with rotatable front and rear wheels 12, 14 and a furrow-opening tine wheel 15 is placed at the center. The main body of the direct sowing machine travels on a field while moving in vertical direction or inclining in longitudinal or lateral direction following the contour of the field surface.