| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a putter of which a neck imparts the force to negate the force to rotate the centroid of a club head about its center to the club head even when a ball is hit off its sweet area and which prevents the club head from rotating and does not consequently lose an intended distance and drives out a ball in an intended direction. SOLUTION: The club head is fitted with the neck in such a manner that the extension line of the neck is made nearly perpendicular to face of the club head and further this neck is curved or bent and is attached to the shaft near the sky of the club head.</p> |
