| 摘要 |
PURPOSE: A safety apparatus for an auxiliary harrow is provided to previously prevent an overload causing deformations or damages of the auxiliary harrow by an impact caused by a collision with obstacles. CONSTITUTION: A safety apparatus for an auxiliary harrow comprises: a central harrow(110); a pair of hinge shaft(120) forming a second supporting unit horizontally on the upper side of a first slope unit; a fixture(160) installed on the upper side of the hinge shaft; a bracket(140) inserted inside the hinge shaft; an auxiliary harrow(130) installed at the lower side of the bracket; and a spring(150) installed in between the bracket and the fixture while inserted inside the exterior of the hinge axis. The bracket comprises the following: a third supporting unit formed in horizontal direction of a first supporting unit; a second protrusion unit formed from one end of the third supporting unit; and a second slop unit formed on the upper side of the second protrusion unit. |
