Golf club head having face stress-reduction features
First Claim
1. A golf club head comprising:
- a body comprising a striking face, a sole, and a return section, the body defining a hollow interior, and the sole and return section defining an upper opening;
a plurality of titanium tubes, each of the plurality of titanium tubes extending within the hollow interior from the return section to the sole;
a crown section sized to cover the upper opening; and
at least one weight cartridge sized to fit within at least one of the plurality of titanium tubes,wherein the plurality of titanium tubes ranges from two to eight titanium tubes,wherein the sole comprises a plurality of bosses,wherein each of the plurality of bosses corresponds to a titanium tube of the plurality of titanium tubes,wherein each of the plurality of titanium tubes has a length ranging from 30 millimeters to 60 millimeters,wherein each of the plurality of titanium tubes is disposed within 11 millimeters of an interior surface of the striking face,wherein the plurality of titanium tubes increases ball speed by reducing stress placed on the striking face during impact with a golf ball, andwherein the striking face has a characteristic time that is close to, but does not exceed, 257 microseconds.
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Accused Products
Abstract
A golf club head comprising a body, at least one weight cartridge, and a plurality of hollow tubes is disclosed herein. The body comprises a face section, a sole section, and a return section, and also defines a hollow interior. Each of the plurality of hollow tubes extends from the return section to the sole section to reduce stresses placed on the face during impact with a golf ball, and the at least one weight cartridge is sized to fit within at least one of the plurality of hollow tubes. The sole section and return section each comprise keyed apertures providing access to the hollow tubes with which they communicate, and the at least one weight cartridge comprises a keyed structure sized to fit through the keyed apertures.
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Citations
16 Claims
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1. A golf club head comprising:
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a body comprising a striking face, a sole, and a return section, the body defining a hollow interior, and the sole and return section defining an upper opening; a plurality of titanium tubes, each of the plurality of titanium tubes extending within the hollow interior from the return section to the sole; a crown section sized to cover the upper opening; and at least one weight cartridge sized to fit within at least one of the plurality of titanium tubes, wherein the plurality of titanium tubes ranges from two to eight titanium tubes, wherein the sole comprises a plurality of bosses, wherein each of the plurality of bosses corresponds to a titanium tube of the plurality of titanium tubes, wherein each of the plurality of titanium tubes has a length ranging from 30 millimeters to 60 millimeters, wherein each of the plurality of titanium tubes is disposed within 11 millimeters of an interior surface of the striking face, wherein the plurality of titanium tubes increases ball speed by reducing stress placed on the striking face during impact with a golf ball, and wherein the striking face has a characteristic time that is close to, but does not exceed, 257 microseconds. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A driver-type golf club head comprising:
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a metal body comprising a striking face, a sole, and a return section, the body defining a hollow interior, the return section and sole defining an upper opening; a composite crown section sized to close the upper opening; a plurality of titanium tubes, each of the plurality of titanium tubes extending from the return section to the sole proximate an interior surface of the striking face; and a weight cartridge sized to fit within at least one of the plurality of titanium tubes, wherein the striking face comprises a variable thickness pattern, wherein each titanium tube of the plurality of titanium tubes is welded to the body, wherein the weight cartridge comprises a heavy end and a lightweight end, wherein the plurality of titanium tubes ranges from two to eight titanium tubes, wherein the sole comprises a plurality of bosses, wherein each of the plurality of bosses corresponds to a titanium tube of the plurality of titanium tubes, wherein each of the plurality of hollow titanium tubes has a length ranging from 30 millimeters to 60 millimeters and a diameter ranging from 2 millimeters to 5 millimeters, wherein the plurality of titanium tubes increases ball speed by reducing stress placed on the striking face during impact with a golf ball, and wherein the striking face has a characteristic time that is close to, but does not exceed, 257 microseconds. - View Dependent Claims (15, 16)
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Specification