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Golf club head

  • US 9,079,078 B2
  • Filed: 12/28/2012
  • Issued: 07/14/2015
  • Est. Priority Date: 12/29/2011
  • Status: Active Grant
First Claim
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1. A golf club head comprising:

  • a body having a crown, a sole, a heel, a toe, and a striking face, with the body defining an interior cavity;

    wherein the crown includes an internal surface defining an internal crown surface area and an external surface defining an external crown surface area, the crown having a thickness comprising a minimum distance between the internal surface and the external surface at a given location on the crown;

    wherein the crown internal surface includes a plurality of thin regions having a thickness of less than 0.60 mm separated by a plurality of thick regions having a thickness of at least 0.60 mm, with the plurality of thick regions and the plurality of thin regions having a thickness differential of at least 0.05 mm;

    wherein each thin region defines a thin region surface area on the internal surface of the crown, and wherein a sum of all of the thin region surface areas comprises the total thin region surface area; and

    wherein a ratio of the total thin region surface area to the external crown surface area is between 0.40 and 0.55,wherein at least come of the thin regions comprise an elongated shape having a length between about 12 mm and 26 and a width between about 3 mm and about 13 mm.

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