| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To make control shot possible even by a club having a golf club head with a center-of-gravity depth of 15 mm or more. <P>SOLUTION: In the golf club head in which the length from the bottom end portion of a face surface (1) to the back side or the head maximum width (D) is 50 to 80 mm and the center-of-gravity depth is 15 mm or more, the width of a sole face (2A) contacting with the ground or a sole width (C) is 10 to 25 mm, and a top edge progression (A) is 7 mm or less. <P>COPYRIGHT: (C)2009,JPO&INPIT</p> |
