| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a golf club head which enables the obtaining of an excellent positioning effect between the golf club head and the shaft and a method of adjusting the kinetic balance between the head and the shaft. <P>SOLUTION: A hollow hosel (11) is provided at one end of the hollow golf club head (10) and a screw part (12)is provided having the thread (120) in the inner rim of the hosel (11). A bolt (13) is screwed down in the screw part (12), a thread hole (100) having a thread (14) inside is formed in the bottom of the golf club head (10) extending downward from the hosel (11) and an outer thread (130) is provided outside the bolt (13) screwed down onto the hosel (11) while a smooth part (132) is provided having no crest outside the bolt (13) in the screw part (12). An L-shaped insertion hole (131) is formed at one end of the bolt (13) having the outer thread (130) piercing it to the outer thread (130). <P>COPYRIGHT: (C)2004,JPO&NCIPI</p> |
