GOLF CLUB HEAD
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United States of America Patent
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N/A
Issued Date -
Aug 13, 2015
app pub date -
Apr 23, 2015
filing date -
Dec 21, 2007
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A golf club head comprises a club head body having an external surface with a heel portion, a toe portion, a crown, a sole, and a face. The golf club head has a moment of inertia about a CG Z axis, IZZ. In some implementations, IZZ is greater than 4150 g·cm2 or greater than 4400 g·cm2. The face comprises a bulge curvature that satisfies a predetermined mathematical relationship. In some implementations, a moment of inertia about the CG X axis, Ixx, exceeds a predetermined value, and Izz is greater than Ixx. The face can comprise a roll curvature, and a ratio of the bulge curvature divided by the roll curvature, RC, can be greater than 0.28 and less than 0.75.
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