| 摘要 |
PURPOSE: A weeder equipped with a variable cutter unit is provided, which can prevent damage of a cutter blade caused by collision with hard material like stone. CONSTITUTION: A weeder equipped with a variable cutter unit comprises: a main body(10) forming a basic framework; a three-point link bar(12) which is prepared in upper one side of the main body and provides tractive force by connecting the main body to a power machine; a power transfer device(20) which is delivered with power from the power machine through an input shaft and transfers power to a main shaft; a power transmission element(30) which rotates by being delivered with power from the main shaft of the power transfer device; and a cutter unit(40) which rotates by being delivered with power from the power transmission element. |
