< Topic >Being being coiled round prevention tool of the grass in the mowing machine which prevents the involvement of the weed and the chords, furthermore, it offers the volume attaching prevention cutter tool of the grass and the vine in the mowing machine which you can install in also the existing mowing machine easily.SolutionsIn mowing machine itself X, on rotary blade Y surface side of the disc-like of the computer, it possesses appropriate width and length, the band-like material 1 which possesses the hole on the median, cutter 1of a the projection condition which directs the both ends of the band-like material to top and 1a it provides. Being pedicel Z of long shaku of mowing machine itself, in the rotary blade vicinity, it locked support component 2 with fixed means, 5 in the support component, the occasion where the grass and the vine which are coiled round to the frame of the rotary blade, are cut with the cutter the stopper blade, the grass and the vine which are coiled round, it provided the frame, and the induction component 4 which is led to cutter direction on the rear section of the 3 which is assisted and the stopper blade, it provided the washer of the diameter which responds to the shaft diameter of the installation nut of the existing mowing machine itself in the rotary blade of the disc-like.< Choice figure >Drawing 6【課題】雑草やつる類の巻き込みを防止する草刈機における草の巻き付き防止具であって、しかも、既存の草刈機にも容易に装着できる草刈機における草及び蔓の巻付防止カッター具を提供する。【解決手段】草刈機本体Xにおいて、本体の円板状の回転刃Y上面側に、適宜な幅と長さを有し、中央に穴を有する帯状材1であって、帯状材の両端を上部に向けた突起状のカッター1a,1a′を設ける。草刈機本体の長尺の柄部Zであって、回転刃近傍に、支持部材2を固定手段5で固定し、支持部材には、回転刃の軸部に巻きつく草や蔓を、カッターでカットする際補助するストッパーブレード3と、ストッパーブレードの後部には、巻きつく草や蔓を、軸部、並びに、カッター方向に導く誘導部材4を設け、円板状の回転刃には、既存の草刈機本体の取付けナットの軸径に応じた径のワッシャを設けた。【選択図】図6