Golf club

Details Golf club Golf club

2011-06-21

2011-06-21

Blau, Stephen L. (Department: 3711)

Games using tangible projectile

Golf

Club or club support

C473S307000, C473S309000

Reexamination Certificate

active

07963856

ABSTRACT:
A hosel portion (22) has a screw portion (32) and a hosel hole (28). The screw portion (32) of a screw member (10) and a screw portion (26) of the hosel portion (22) are coupled to each other. An inner member (8) has a shaft inserting hole (40) and a lower surface (42). A shaft (6) and the shaft inserting hole (40) are fixed through bonding or the like. The lower surface (42) of the inner member (8) has a plurality of first surfaces and a plurality of second surfaces. The first surface is a parallel surface with a central axis or a tilted surface which is tilted to a circumferential direction. The first surface is extended in such a direction as to enable, together with a receiving surface, a generation of a force capable of inhibiting a relative rotation of a head and the shaft in hitting. The second surface is extended in a closer direction to the circumferential direction as compared with the first surface. By an engagement of the receiving surface and the lower surface (42), the relative rotation of the shaft (6) and the head (4) is inhibited.

REFERENCES:
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patent: 2009/0075748 (2009-03-01), Evans et al.
patent: 2009/0239678 (2009-09-01), De La Cruz et al.
patent: 2010/0120552 (2010-05-01), Sander et al.

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