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Golf club

  • US 8,663,029 B2
  • Filed: 02/21/2012
  • Issued: 03/04/2014
  • Est. Priority Date: 12/31/2007
  • Status: Active Grant
First Claim
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1. A golf club head, comprising:

  • a body defining an interior cavity, a sole portion positioned at a bottom portion of the golf club head, a crown portion positioned at a top portion, and a skirt portion positioned around a periphery between the sole and crown, the body also having a forward portion and a rearward portion and a maximum above ground height;

    at least one weight port formed in the body to support varying weights from about 0.5 gram to about 10 grams; and

    a face positioned at the forward portion of the body;

    wherein;

    the crown has a thickness less than about 0.65 mm for at least about 70% of the crown,the golf club head has a front to back depth (Dch) greater than about 85 mm,the golf club head has an above ground center-of-gravity location, Zup, less than about 19 mm,the golf club head has a center-of-gravity location as measured along a coordinate system having an origin located at a center of the face, the center-of-gravity location being between about −

    2.0 mm and about 6.0 mm along an x-axis arranged parallel to the ground plane and tangent to the face, the center-of-gravity location being between about 20 mm and about 40 mm along a y-axis arranged parallel to the ground plane and perpendicular to the x-axis, and the center-of-gravity location being between about 0 mm and about −

    6.0 mm along a z-axis arranged perpendicular to both the x-axis and y-axis,the golf club head has a moment of inertia about a center-of-gravity x-axis, Ixx, greater than about 150 kg-mm2, andthe golf club head has a total mass between about 185 g and about 245 g.

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