| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a golf club with excellent operability, allowing a player to easily swing the golf club by controlling the air resistance against the movement of a head from the top position till a ball is hit considering the whole swing of the player. <P>SOLUTION: The golf club includes a shell formed of a face part 8, a crown part 9, a sole part 10, side parts 11 on a toe side 11a and a heel side 11b, and a back part 12 in the rear; and the hollow metal head with an internal space formed inside the shell. The sole part 10 has a plurality of recesses having a heel-side recess 20 as an air flowing passage from the heel side 11b toward the toe side 11a, a toe-side recess 21, and a center recesses 22 and 23. <P>COPYRIGHT: (C)2009,JPO&INPIT</p> |
