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Golf club with optimum moments of inertia in the vertical and hosel axis

  • US 9,302,161 B2
  • Filed: 01/10/2014
  • Issued: 04/05/2016
  • Est. Priority Date: 10/25/2006
  • Status: Active Grant
First Claim
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1. A golf club comprising a shaft and a club head,wherein the club head comprises a y-axis running in a vertical direction through a geometric center of the club head and a hosel axis running parallel to a center of the shaft through a hosel base,wherein the club head has a horizontal bulge radius of about 12 inches and a vertical roll radius of about 10 inches if a MOI (y-axis) is greater than about 450 kg·

  • mm2 and less than about 500 kg·

    mm2;

    wherein the club head has a horizontal bulge radius of about 13 inches and a vertical roll radius of about 10 inches if the MOI (y-axis) is greater than about 500 kg·

    mm2 and less than about 550 kg·

    mm2; and

    wherein the club head has a horizontal bulge radius of about 14 inches and a vertical roll radius of about 10 inches if the MOI (y-axis) is greater than about 550 kg·

    mm2; and

    wherein a ratio of the MOI (y-axis) to a volume of the club head is greater than about 1.70 kg·

    mm2/cm3 for a golf club head having a volume of about 350 cc or greater.

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