| 摘要 |
PURPOSE: A harrow for a tractor is provided to move the harrow board smoothly to one side by staying in a paddy field or generating pressure moving toward any one side of the harrow board by front or rear collision of harrow. CONSTITUTION: A harrow for a tractor comprises a frame(200) with a front hinge combined on a combining member(110) chained on a top of a rotary for the tractor, a harrow board(300) combined on the rear end of the frame, and a telescopic cylinder(400) elevating the harrow board by hinge combining the front to the rotary or the combining member and hinge combining the rear to the frame. The frame comprises a pair of connecting stick(210) hinge combining one end to the combining member or the upper rotary part aligned next to each other, and a horizontal stick(220) installed with a cylinder bracket(225) hinge combining the rear of the cylinder on the center as connecting a rear roll each other or the center part of the connecting stick. |
