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PUTTER TYPE GOLF CLUB HEAD AND PUTTER TYPE GOLF CLUB

  • US 20130005503A1
  • Filed: 06/27/2012
  • Published: 01/03/2013
  • Est. Priority Date: 06/28/2011
  • Status: Active Grant
First Claim
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1. A putter type golf club head having a face for hitting a ball on a front side, whereinthe head has a head main body provided in a face side with a concave portion, and a face insert made of an elastic material attached to the concave portion of the head main body,the face insert has a three-layered structure made up of a first layer disposed in a frontmost side, a third layer disposed in a rearmost side and a second layer sandwiched between the first layer and the third layer,the first layer, the second layer and the third layer have hardnesses h1, h2 and h3, respectively, and moduli of repulsion elasticity r1, r2 and r3, respectively, which satisfy the following relationships:


  • h1>

    h2,
    h3>

    h2,
    r1>

    r2 and
    r3>

    r2.

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