Metal wood club with improved moment of inertia
First Claim
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1. A golf club head comprising:
- a hitting face at a frontal portion of said golf club head;
an aft portion; and
a midsection connecting said hitting face to said aft portion;
wherein said aft portion defines an aft wall length that is approximately 30% to about 50% of a length of said hitting face, said aft wall length defined as the longest distance of said aft portion measured in a heel to toe direction viewed from a top view of said golf club head, andwherein said golf;
club head has a moment of inertia Ixx, about a horizontal axis through a center of gravity of said golf club head of about 200 g·
cm2 to about 4500 g·
cm2, and a moment of inertia, Iyy about a vertical axis through said center of gravity of said golf club head of about 400 g·
cm2 to about 5900 g·
cm2.
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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.
65 Citations
18 Claims
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1. A golf club head comprising:
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a hitting face at a frontal portion of said golf club head; an aft portion; and a midsection connecting said hitting face to said aft portion; wherein said aft portion defines an aft wall length that is approximately 30% to about 50% of a length of said hitting face, said aft wall length defined as the longest distance of said aft portion measured in a heel to toe direction viewed from a top view of said golf club head, and wherein said golf;
club head has a moment of inertia Ixx, about a horizontal axis through a center of gravity of said golf club head of about 200 g·
cm2 to about 4500 g·
cm2, and a moment of inertia, Iyy about a vertical axis through said center of gravity of said golf club head of about 400 g·
cm2 to about 5900 g·
cm2. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A golf club head comprising:
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a hitting cup comprised of a first material having a hitting surface an aft cup comprised of a second material; and a midsection connecting said hitting cup and said aft cup comprised of a third material; wherein said aft cup defines an aft wall length that is approximately 30% to about 50% of the length of said hitting surface, said aft wall length defined as the longest distance of said aft cup measured in a heel to toe direction viewed from a top view of said club head; and wherein said golf club head has a volume of about 380 cc to 480 cc, a moment of inertia, Ixx, about a horizontal axis through a center of gravity of said golf club head of about 200 g·
cm2 to about 4500 g·
cm2, and a moment of inertia, Iyy, about a vertical axis through said center of gravity of said golf club head of about 400 g·
cm2 to about 5900 g·
cm2. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18)
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Specification
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Current AssigneeAcushnet Company (FILA Holdings Corp.)
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Original AssigneeAcushnet Company (FILA Holdings Corp.)
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InventorsBennett, Thomas Orrin, Golden, Charles E., Harvell, Christopher D., Murphy, Stephen S., Stone, Daniel
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Primary Examiner(s)HUNTER, ALVIN A
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Application NumberUS14/248,962Publication NumberTime in Patent Office930 DaysField of Search473324-350US Class Current1/1CPC Class CodesA63B 53/04 HeadsA63B 53/0408 characterised by specific d...A63B 53/0412 VolumeA63B 53/0433 with special sole configura...A63B 53/0437 with special crown configur...A63B 53/0466 wood-typeA63B 60/00 Details or accessories of g...A63B 60/02 Ballast means for adjusting...
