Is a
Patent attributes
Patent Applicant
0
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Kosaku Yoneyama0
Date of Patent
January 11, 2005
0Patent Application Number
103422490
Date Filed
January 15, 2003
0Patent Citations Received
...
Patent Primary Examiner
Patent abstract
A golf club head has a face plate of high strength and high resilience and which provides excellent directional stability of the ball trajectory. The golf club head comprises a thick-walled portion 3 at the center of the face plate 2, and at least four narrow ribs 4a and 4b. Each of the ribs is formed with a thickness not substantially exceeding the thickness of the thick-walled portion, and extends radially from the thick-walled portion toward the perimeter of the face plate. Thin-walled portions 5 are formed between the thick-walled portion and the narrow ribs.
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