| 摘要 |
PURPOSE: A harrow for a tractor is provided to improve flatness by maintaining the angle of the harrow against the surface of a paddy field constant. CONSTITUTION: A harrow for a tractor comprises: a frame(20) in which the front thereof is hinge-coupled with the upper part of a rotary for a tractor and the height thereof is controlled by a telescopic cylinder(10); a sub-frame(30) which is combined with the bottom of the frame; and a harrow board(50) which is combined with the rear end of the sub-frame. The front of the telescopic cylinder is hinge-coupled with the upper part of the rotary and the rear end thereof is hinge-coupled with the frame. |
