Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
February 7, 2012
Patent Application Number
11320802
Date Filed
December 30, 2005
Patent Citations Received
Patent Primary Examiner
Patent abstract
This invention provides an improved hollow golf club head having a sole portion and a crown portion, wherein the golf club head is configured so as to increase the launch angle of a ball so that the traveling distance of a golf shot can be increased. In particular, the sole portion and the crown portion of the hollow golf club head are configured such that the ratio of a rigidity of the sole portion to a rigidity of the crown portion is 1:0.1 to 0.8 and, as a result of such a configuration, the launch angle of a hit ball is increased.
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