TILLING CLAW

PROBLEM TO BE SOLVED: To provide a tilling claw which reduces tilling vibration and horsepower consumption by suppressing stress concentration which acts on a bend in driving into soil and load change caused thereby, and exhibits excellent tilling performance in any soil texture.SOLUTION: In a tilling claw comprising a vertical blade part (2) and a horizontal blade part (3), a curve starting horizontal distance (L) to the blade edge of a curve starting part (F) of the horizontal blade part is approximately the same length as an overall vertical length (C), a bending angle (α), which is made by a line passing a lowermost edge of the blade edge and the curve starting part (F) of the horizontal blade part, is approximately 90°, a radius (r1) of the curvature of a first curve is half the curve starting horizontal distance (L) or more, an overall height (H1) of the curve is approximately the same length as the radius (r1) of the first curve, and a tip end part (31) in which the horizontal blade part (3) above a tip end part curve starting part (G) of the horizontal blade is curved with a radius (r2) of the curvature of a second curve in the curvature direction of the horizontal blade part and in the plan direction orthogonal to the center line of the horizontal blade part in plan view is formed.