Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Isamu Toshinari0
Kiyotaka Chaen0
Mamoru Saraie0
Mototaka Iwata0
Tomomi Watanabe0
Date of Patent
November 7, 2006
0Patent Application Number
107571310
Date Filed
January 14, 2004
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A groove is provided a surface on a cavity portion side of a sole portion in a head portion of an iron golf club, and a thickness of a ball hitting portion in a face portion is made larger than a thickness of a top edge side portion of the face portion and at least as large as a thickness of a sole side portion of the face portion. In a golf club set according to the present invention, the groove has the greatest depth in a long iron golf club, while the groove has the smallest depth in a short iron golf club or no groove is provided in the short iron golf club.
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