IRON HEAD WITH SWEET SPOT POSITION OF HITTING SURFACE SHIFTED TO TOE SIDE

摘要

PPROBLEM TO BE SOLVED: To eliminate the shape of the conventional iron head in which the sweet spot thereof is positioned at the center of the hitting surface. PSOLUTION: In the iron head, the sweet spot is positioned being shifted to the toe side, as compared with the conventional iron head, by colors (4) indicating face lines (3) and (7) shortened on the heel side and the effective range of the hitting surface. PCOPYRIGHT: (C)2004,JPO