Metal wood club with improved moment of inertia
First Claim
Patent Images
1. A golf club head comprising:
- a hitting surface;
an aft wall;
a heel wall connecting the hitting surface to the aft wall; and
a toe wall connecting the hitting surface to the aft wall,wherein the golf club head has a volume of greater than about 450 cc, a moment of inertia, Ixx, about a horizontal axis through a center of gravity of the golf club head of about 4325 g·
cm2 to about 4400 g·
cm2, and a moment of inertia, Iyy, about a vertical axis through the center of gravity of the golf club head of about 4730 g·
cm2 to about 5830 g·
cm2, andwherein from a top view of the golf club head, the heel wall and the toe wall each contain a substantially straight portion.
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Accused Products
Abstract
A more efficient triangular shape for metal wood clubs or driver clubs is disclosed. This triangular shape allows the clubs to have higher rotational moments of inertia in both the vertical and horizontal directions, and a lower center of gravity.
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Citations
23 Claims
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1. A golf club head comprising:
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a hitting surface; an aft wall; a heel wall connecting the hitting surface to the aft wall; and a toe wall connecting the hitting surface to the aft wall, wherein the golf club head has a volume of greater than about 450 cc, a moment of inertia, Ixx, about a horizontal axis through a center of gravity of the golf club head of about 4325 g·
cm2 to about 4400 g·
cm2, and a moment of inertia, Iyy, about a vertical axis through the center of gravity of the golf club head of about 4730 g·
cm2 to about 5830 g·
cm2, andwherein from a top view of the golf club head, the heel wall and the toe wall each contain a substantially straight portion. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A golf club head comprising:
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a hitting surface; an aft wall; a heel wall connecting the hitting surface to the aft wall; and a toe wall connecting the hitting surface to the aft wall, wherein the golf club head has a volume of greater than about 450 cc, a moment of inertia, Ixx, about a horizontal axis through a center of gravity of the golf club head of about 3410 g·
cm2 to about 4400 g·
cm2, and a moment of inertia, Iyy, about a vertical axis through the center of gravity of the golf club head of about 4730 g·
cm2 to about 5830 g·
cm2, andwherein from a top view of the golf club head, the heel wall and the toe wall each contain a substantially straight portion, and further comprising a triangular shaped crown.
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12. A golf club head comprising:
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a hitting surface; an aft wall; a heel wall connecting the hitting surface to the aft wall; and a toe wall connecting the hitting surface to the aft wall, wherein the golf club head has a volume of greater than about 450 cc, a moment of inertia, Ixx, about a horizontal axis through a center of gravity of the golf club head of about 3410 g·
cm2 to about 4400 g·
cm2, and a moment of inertia, Iyy, about a vertical axis through the center of gravity of the golf club head of about 4730 g·
cm2 to about 5830 g·
cm2, andwherein from a top view of the golf club head, the heel wall and the toe wall each contain a substantially straight portion, and wherein the aft wall is spaced apart from and substantially parallel to the hitting surface and wherein the aft wall'"'"'s length is about 12.5% to about 33% of the length of the hitting surface. - View Dependent Claims (13)
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14. A golf club head comprising:
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a hitting surface; an aft wall; a heel wall connecting the hitting surface to the aft wall; and a toe wall connecting the hitting surface to the aft wall, wherein the golf club head has a volume of greater than about 450 cc, a moment of inertia, Ixx, about a horizontal axis through a center of gravity of the golf club head of about 3410 g·
cm2 to about 4400 g·
cm2, and a moment of inertia, Iyy, about a vertical axis through the center of gravity of the golf club head of about 4730 cm2 to about 5830 g·
cm2, andwherein from a top view of the golf club head, the heel wall and the toe wall each contain a substantially straight portion, and further comprising a front hitting cup which contains the hitting face and an aft cup which contains the aft wall, and a midsection connecting the front hitting cup and the aft cup, wherein the density of the midsection is less than the density of front hitting cup or the density of the aft cup. - View Dependent Claims (15, 16, 17, 18)
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19. A golf club head comprising:
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a hitting surface; an aft wall; a heel wall connecting the hitting surface to the aft wall; and a toe wall connecting the hitting surface to the aft wall, wherein the golf club head has a volume of greater than about 450 cc, a mass of about 194 to about 200 grams, a moment of inertia, Ixx, about a vertical axis through a center of gravity of the golf club head of about 3410 g·
cm2 to about 4400 g·
cm2, a moment of inertia, Iyy, about the vertical axis through the center of gravity of the golf club head of about 4730 g·
cm2 to about 5830 g·
cm2, and wherein the golf club head has an Ixx/Iyy ratio of greater than about 0.65,the golf club head further comprising a front hitting cup which contains the hitting surface and an aft cup which contains the aft wall, and a midsection connecting the front hitting cup and the aft cup, wherein the density of the midsection is less than the density of front hitting cup or the density of the aft cup. - View Dependent Claims (20, 21, 22, 23)
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Specification