RIDGING MACHINE

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PROBLEM TO BE SOLVED : To provide a ridging machine that can prevent deterioration of the operation efficiency even when the ridging depth is adjusted. SOLUTION : The ridging machine 1 is equipped with the soil-removing plate 20 that is arranged on the front side and excludes the tilled soil, the bottom plate 30 that is arranged on the lower back side of the removing plate 20, and the soil-leveling plate 40 that is arranged on the left side of the bottom plate 40 and presses the tilled soil removed by the earth-removing plate 20 to the levee. The bottom plate 30 and the leveling plate 40 are combined in one body so that they are made movable in the vertical direction to the soil-removing plate 20. These bottom plate 30 and the leveling plate 40 can be adjusted of their vertical position relatively with the position adjusting device 50 set to the soil-removing plate 20. COPYRIGHT : (C)2006, JPO&NCIPI