| 摘要 |
PURPOSE: A safety system of a harrow for a tractor is provided to be easily restored to an original position after rotation. CONSTITUTION: A safety system of a harrow for a tractor comprises: a harrow fixing unit(200) which is installed between a central harrow board and an outside harrow board and rotates forward and backward; an hanging bar which protrudes from the bottom of the central harrow board and outside harrow board; and a hanging piece(310) which is extended to the rear of the outside harrow board and restricts the rearward movement of the outside harrow board. |
