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US Patent 9889349 Golf club head having stress-reducing structures

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Patent
Patent

Patent attributes

Patent Applicant
Callaway Golf Company
Callaway Golf Company
Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent Number
9889349
Date of Patent
February 13, 2018
Patent Application Number
15167588
Date Filed
May 27, 2016
Patent Citations Received
‌
US Patent 12017123 Golf club heads
0
‌
US Patent 11865415 Golf clubs and golf club heads having interchangeable rear body members
0
‌
US Patent 11998811 Golf club head with heel and toe stiffeners
0
Patent Primary Examiner
‌
William Pierce
Patent abstract

A golf club head comprising a body and a plurality of stiffening members is disclosed herein. The body comprises a face section, a sole section, and a crown section or a return section, and also defines a hollow interior. Each of the plurality of stiffening members extends from the crown section or return section to the sole section to reduce stresses placed on the face during impact with a golf ball. The stiffening members preferably are preloaded, and may be tightened using a tool. Each of the stiffening members has a midsection that is preferably selected from the group consisting of a solid metal rod, a hollow metal tube, and a spring, and each preferably is composed of a titanium alloy.

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