Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
October 18, 2011
Patent Application Number
12490056
Date Filed
June 23, 2009
Patent Citations Received
Patent Primary Examiner
Patent abstract
A hollow wood-type golf club head 1 capable of controlling the spring effect without excessively increasing the weight of a face portion, the club head 1 comprising a face portion 3 having a face 2 for hitting a golf ball, a sole portion 5 constituting the bottom of the club head, and a junction 8 interconnecting the face portion and the sole portion and including at least one thick wall portion 9 having a thickness t2 larger than a thickness t1 at a lower edge of the face portion 3 and having a length L of 20 mm or more wherein the length L is a total of lengths in a toe-heel direction of said at least one thick wall portion 9.
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