| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide an iron golf club head that is manufactured by forging, is a low gravity centered cavity type, which is called a pocket type, and excellent in ball-hitting feeling in hitting a ball.SOLUTION: The iron golf club head is integrally formed by forging and includes: a top part 2 in an upper part; a face part 3 in a front part; a sole part 4 in a bottom part; a back part 5 in a rear part; and, in the back part 5, a main concavity 7 formed toward the face part 3 and a concavity 8 formed toward the sole part 4 from the main concavity 7. The concavity 8 is formed by bending.</p> |
