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Golf club head

  • US 7,935,003 B2
  • Filed: 07/23/2008
  • Issued: 05/03/2011
  • Est. Priority Date: 09/26/2007
  • Status: Expired due to Fees
First Claim
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1. A golf club head, comprising:

  • a face member made of a metal material;

    wherein the face member includes a ball-striking face, and an oval thick portion positioned in a central portion of the ball-striking face;

    the oval thick portion has an oval shape viewed in a direction crossing the ball-striking face, the oval shape having recesses formed by recessing both sides in a major axis direction in an arc-shaped fashion;

    the oval thick portion is formed on the face member such that the recesses are directed to a toe-side upper portion and a heel-side lower portion, respectively;

    the oval thick portion has a thickness that becomes thickest at a central portion of the oval thick portion and is gradually reduced from the central portion towards a periphery of the oval thick portion;

    the face member is formed such that a portion which lies outside the thick portion is thinner than the oval thick portion; and

    an occupancy rate of the oval thick portion in the ball-striking face is in a range of 25 to 45%,wherein an occupancy rate of the toe-side upper portion and the heel-side lower portion in a portion of the ball-striking face which excludes the oval thick portion is 60% or more.

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