MULTI-MATERIAL GOLF CLUB HEAD
First Claim
Patent Images
1. A golf club head comprising:
- a striking face portion located at a frontal portion of said golf club head; and
a body portion attached to an aft portion of said striking face portion further comprising a crown portion and a sole portion;
wherein at least one of said crown portion or said sole portion further comprises a base layer and a lightweight cover layer;
said base layer further comprises a plurality of cutouts, andsaid lightweight cover layer has an Internal Exposure Percentage of greater than about 15% and less than about 60%,wherein a transition region between said base layer and said lightweight cover layer further comprises a blend, said blend creates a smooth thickness transition between said base layer and said lightweight cover layer.
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Abstract
A golf club head made out of multi-material is disclosed herein. More specifically, the golf club head in accordance with the present invention has at least a portion of the body of the golf club head that is further comprised out of a base layer and a lightweight cover layer. The base layer may have a plurality of cutouts to help reduce unnecessary mass and the lightweight cover layer may be made out of an ultra-lightweight material to further reduce the unnecessary mass. The resulting golf club head may generally have a deep CG wherein the CG-B location is about 37 mm, and a CG-C location is greater than about 30 mm.
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Citations
20 Claims
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1. A golf club head comprising:
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a striking face portion located at a frontal portion of said golf club head; and a body portion attached to an aft portion of said striking face portion further comprising a crown portion and a sole portion; wherein at least one of said crown portion or said sole portion further comprises a base layer and a lightweight cover layer; said base layer further comprises a plurality of cutouts, and said lightweight cover layer has an Internal Exposure Percentage of greater than about 15% and less than about 60%, wherein a transition region between said base layer and said lightweight cover layer further comprises a blend, said blend creates a smooth thickness transition between said base layer and said lightweight cover layer. - 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 striking face portion located at a frontal portion of said golf club head; and a body portion attached to an aft portion of said striking face portion further comprising a crown portion and a sole portion; wherein at least one of said crown portion or said sole portion further comprises a base layer and a lightweight cover layer; said base layer further comprises a plurality of cutouts, and said lightweight cover layer has an Internal Exposure Percentage of greater than about 15% and less than about 60%, wherein at least one of said plurality of cutouts further comprises a stiffening member around a perimeter of said cutout. - View Dependent Claims (12, 13, 14, 15, 16, 17)
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18. A golf club head comprising:
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a striking face portion located at a frontal portion of said golf club head; and a body portion attached to an aft portion of said striking face portion further comprising a crown portion and a sole portion; wherein at least one of said crown portion or said sole portion further comprises a base layer, a lightweight cover layer, and an adhesive layer sandwiched between said base layer and said lightweight cover layer; said base layer further comprises a plurality of cutouts, said lightweight cover layer has an Internal Exposure Percentage of greater than about 15% and less than about 60%, and wherein said adhesive layer is a film type adhesive having a thickness of less than about 15 mils. - View Dependent Claims (19, 20)
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Specification