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Golf club

  • US 10,569,145 B2
  • Filed: 08/13/2018
  • Issued: 02/25/2020
  • Est. Priority Date: 11/27/2013
  • Status: Active Grant
First Claim
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1. A golf club head comprising:

  • a club head body having a crown, a sole, a heel, and a toe;

    a face portion connected to a front end of the club head body, the face portion including a geometric center defining an origin of a coordinate system when the golf club head is in a normal address position; and

    a face-to-crown transition where the face connects to the crown near the front end of the club head body,wherein the coordinate system includes;

    an x-axis being tangent to the face portion at the origin and parallel to a ground plane,a y-axis intersecting the origin being parallel to the ground plane and orthogonal to the x-axis, anda z-axis intersecting the origin being orthogonal to both the x-axis and the y-axis;

    the golf club head defining a center of gravity (CG), the CG being a distance CGy from the origin as measured along the y-axis and a distance CGz from the origin as measured along the z-axis;

    wherein in a y-z plane passing through the origin the crown height continuously increases starting from the face-to-crown transition up to a local maximum;

    wherein a CG effectiveness product (CGeff) for the golf club head is defined as CGeff=CGy×

    Δ

    z and the CGeff is at least 806 mm2; and

    wherein the golf club head further comprises a sole feature, the sole feature comprising an extended platform formed in the sole, the extended platform extending rearwardly from a first end to a second end, and further comprising;

    a planar sole surface and opposed sloped portions that, when the golf club head is in a normal address position, slope away from the ground plane toward the crown, the opposed sloped portions comprising a sloped heel side portion positioned heelward of the planar sole surface and a sloped toe side portion positioned toeward of the planar sole surface;

    a forward portion adjacent the first end; and

    a rearward portion adjacent the second end,wherein the extended platform has a first center point positioned at the first end and a second center point positioned at the second end, andwherein the second center point is positioned toeward of the first center point and toeward of the y-axis.

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