Golf club head

Details Golf club head Golf club head

2005-11-21

2009-02-24

Trimiew, Raeann (Department: 3711)

Games using tangible projectile

Golf

Club or club support

Reexamination Certificate

active

07494426

ABSTRACT:
A face backside of a golf club head is provided with six or more ribs extended from a face center toward face circumferences. Anglesθ1toθ6between respective pairs of adjoining ones of the ribs are less than 90°. One of the ribs that form the smallest angle between its extension direction and a head vertical direction d1and that extends from the face center toward a crown-side face circumference constitutes an upward rib, which has a smaller cross-sectional area than any of those of the other ribs.

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