Golf club head

Details Golf club head Golf club head

2011-08-02

2011-08-02

Passaniti, Sebastiano (Department: 3711)

Games using tangible projectile

Golf

Club or club support

C473S345000, C473S346000

Reexamination Certificate

active

07988565

ABSTRACT:
A head2is hollow. The head2has a sole part8. The sole part8has a groove forming part k1having a recessed outer surface g1and a protruding inner surface s1. The sole part8has a first groove forming part k1and a second groove forming part k1. The first groove forming part k1and the second groove forming part k1have a front-back directional length. A distance between the first groove forming part k1and the second groove forming part k1in a toe-heel direction is wider toward a back of the head. Preferably, the first groove forming part k1and the second groove forming part k1exist on a back of a face surface13. Preferably, the sole part8has a connecting groove part r1. The connecting groove part r1is formed by connecting a front end of the first groove forming part k1to a front end of the second groove forming part k1with each other.

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