PROBLEM TO BE SOLVED: To provide a rotary blade that enables a wide range of weeding in narrow places in a short time and a simple leveling of ground by mounting it in a commercial brush cutter, in which the weeding in the narrow places such as narrow furrows of fields and narrow spaces between flowers and trees in parks or gardens is performed by manual labor without the mechanization and the use of herbicide till now.SOLUTION: A weeding rotary blade is characterized in that: a skirt-shaped guard part 2 is provided on an outer circumference of a metallic disk 1, and an opening part 4 for mounting a brush cutter is provided at the center a plurality of weeding blades 3 are provided with a mounting angle 8 between the opening part 4 for mounting the brush cutter and the guard part 2 toward the outer circumference and a resistance reducing angle 5 is provided in a direction opposite to a rotation direction B of the disk, the tip of the blade is provided with a cutting angle 6 to a topsoil surface, and the distal end is provided with an acute angle 7.COPYRIGHT: (C)2015,JPO&INPIT【課題】畑の狭い畝間や、公園、庭などの花木の間など、狭い場所の除草はこれまで機械化や除草剤が使用できず、手作業で除草を行ってきた。本発明は、市販の刈払い機に取り付けることで、このような場所で、短時間に広範囲の除草と、簡単な整地ができる、回転刃を提供する。【解決手段】金属製の円盤1の外周に、スカート状のガード部2と、中心に刈払い機装着用開口部4を設け、除草刃3は刈払い機装着開口部4とガード部2の間に、外周に向け取り付け角度8をもたせ、複数枚設ける、また円盤の回転方向Bとは反対方向に、抵抗軽減角度5をもたせ、刃の先端は表土面に対し削り角6をもたせ、末端部は鋭角7にしたことを特徴とする除草回転刃。【選択図】図1
