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Metal wood club with improved hitting face

  • US 8,047,930 B2
  • Filed: 01/24/2011
  • Issued: 11/01/2011
  • Est. Priority Date: 04/18/2000
  • Status: Expired due to Fees
First Claim
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1. A golf club head comprising:

  • a hitting face comprisinga central zone having a first flexural stiffness; and

    an intermediate zone concentric with the central zone, wherein the intermediate zone has a second flexural stiffness, and wherein the first flexural stiffness is higher than the second flexural stiffness such that on ball impact, deformation of the intermediate zone allows the central zone to move into and out of the club as a unit and the club exhibits a primary natural frequency of less than 2900 Hertz, andwherein the central zone comprises about 15% to about 60% of the hitting face.

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