| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a club head which plays both the role of a putter and the role of a wood or iron club. SOLUTION: One end face of both end faces of a columnar shape is provided with a cavity 3. The other end face 4 is formed as a plane. A shaft 5 is attached to a columnar longitudinal central portion. The end of the shaft is mounted with a grip 6. In such a manner, the club head is constituted. Accordingly, 1. The head is less misaligned. 2. A head speed is fast. 3. The transmission of force to a ball is efficient. 4. The directivity of the ball is stable. The effects when the head is used as the wood or iron: 1. A swing is halved. 2. Since the head is set just before the ball, a failure in throwing is none. 3. Even a beginner, young and old, children, physically handicapped persons, etc., can hit the ball. 4. New sports can be created.</p> |
