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Golf club head with flexure

  • US 9,211,448 B2
  • Filed: 11/25/2013
  • Issued: 12/15/2015
  • Est. Priority Date: 08/10/2011
  • Status: Active Grant
First Claim
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1. A golf club head, comprising:

  • a crown defining an upper surface of the golf club head;

    a sole defining a lower surface of the golf club head, comprising a transmittal portion, a flexure and a rear portion;

    a side wall extending between the crown and the sole;

    a hosel extending from the crown and including a shaft bore; and

    a face defining a ball-striking surface and intersecting the transmittal portion at a leading edge,wherein the flexure is spaced aftward of the ball-striking surface by the transmittal portion, and comprises a front wall, an apex and a rear wall, wherein the front wall extends into a cavity defined by the golf club head and the rear wall extends into the cavity and the front wall and the rear wall are coupled at the apex,wherein a portion of the face comprises an outer layer forming a portion of the ball striking surface, a back layer and a chip insert, and at least one of the outer layer and back layer defines a recess and the chip insert is disposed in the recess,wherein the thickness of the transmittal portion is at least 50% of a minimum face thickness, andwherein the flexure is spaced from the ball-striking surface by a distance that is between 25% and 45% of the CG-Z-fc distance between the geometric face center of the golf club head and the center of gravity of the golf club head along a horizontal Z-axis that extends from the front to the aft of the golf club head.

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