The present invention trouble working efficiency of mowing, in working to promote the weight of the work time and work reaping aimed at prevention of providing entrainment prevention device of grass. the An iron plate is processed into a shaped , fitted with a steel plate to the pipe axis of rotation convey the transmission of rotation to the blade of the mower, the space between the pipe of the blade and the axis of rotation of the mowing machine wherein the blocking.BACKGROUND 1【課題】草刈りの作業能率、作業時間並びに作業の軽量化を推進し作業中におけるトラブルの防止を図った刈取り草の巻込み防止装置を提供する。【解決手段】鉄板を∩の字型に加工し、草刈機の刃に回転の伝動を伝える回転軸のパイプに鋼板を取り付け、草刈機の刃と回転軸のパイプとの間を遮断することを特徴とする。【選択図】図1