| 摘要 |
PURPOSE: A tractor attachable covering device is provided to adjust the interval between ridges and to effectively form the ridges on a farm. CONSTITUTION: A tractor attachable covering device includes: a body frame equipped with a top connection link and a bottom connection link to be combined with the tractor; a mobile frame which is movably combined in the horizontal direction in the state of being supported by the body frame; a plow blade(21) which has a point cutter in its leading end and is constituted in both bottom bases of the mobile frame; a ridge lateral forming plate(23) for the ridges which accomplishes the unitary structure with the plow blade and has a predetermined incline thereinside; a connection supporter(22) which supports the plow blade and mobile frame; an upper plate of ridge which is rotated in the rear center of the body frame around an upper hinge shaft; a cushion rod which supports the rotation of the upper plate of ridge; and a hydraulic cylinder which is horizontally installed to the body frame. |
