| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a large-sized wood club head which induces the sensation capable of correcting the characteristic of a hit ball to player at the time of addressing. SOLUTION: The position of a sectorial head region 4 interposed between the top position of a toe 2 and a top position of a back side in the state of plane viewing of the wood club head in the state of setting the club head at a prescribed lie angle and loft angle and an opening degree indicating the width thereof are set at the proper position and value by the rotating angle around the intersection point of the horizontal plane in contact with the highest part of the head and a shaft axis on the bases of the plane which passes this intersection point and is perpendicular to a target direction according to the characteristic of the ball hit by player.</p> |
