FARM WORKING MACHINE SUCH AS PLOW WORKING MACHINE

摘要

PROBLEM TO BE SOLVED: To provide a working machine capable of moving along an optional curved line without affecting tillage and turning around operations by the surrounding shape of a field and integrating the working machine with a tractor such as mounting of a directly mounting type in a lifted state or when moving on a road in the posture by making the working machine movable along the curved line even in the case of the movement of the working machine along the movement of the tractor in the curved line such as traction mounting according to the state of working. ;SOLUTION: This farm working machine is composed by installing locking mechanisms having lower link hitch parts formed into long hitch holes in the working forward direction and capable of moving hitch positions of the lower links along the hitch holes and limiting the movement thereof in the farm working machine such as a plow working machine equipped with a mast frame having a hitch hole for an upper link at the upper end and the hitch holes for the lower links on both sides at the lower ends, mounted through three-point links on the tractor and carrying out working.;COPYRIGHT: (C)2001,JPO