| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a golf putter head having a structure of precisely rolling a golf ball by restricting a hit point on the face surface. <P>SOLUTION: This structure of the golf putter head is provided with a thickness part provided to apply an inertia moment to a toe side and a heel side of the face, a hosel having a bottomed cylindrical boss for inserting a shaft into a leg part erected in the heel side of the head, and a spot board projectingly provided in the face around a sweet spot in the face. This head is so constituted that the hit point of the ball is restricted on the spot board. <P>COPYRIGHT: (C)2005,JPO&NCIPI</p> |
