| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide an iron golf club having a soft hitting feeling by providing at least either of the parts facing each other across the cavity of a thick edge part with rigidity relieving grooves crossing the thick edge part. SOLUTION: This golf club has a head 2 at the front end of a shaft 1 and has a cavity 3 formed along the contour of the back surface existing on the rear surface of the ball hitting surface of this head 2 and the thick edge part 4 enclosing this cavity 3. In such a case, at least either of the parts facing each other across the cavity 3 of the thick edge part 4 is provided with the rigidity relieving grooves 10 crossing the thick edge part.</p> |
