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US 9,802,086 B2Granted
Golf club head
AssigneeDunlop Sports Co. Ltd.
InventorMasatoshi Kato
Life of this patent
Estimating the term…
Abstract
Provided is a golf club head in which the lateral moment of inertia can be increased through thickness adjustment of the sole portion. The golf club head according to the present invention includes a crown portion, a sole portion and a face portion. The sole portion includes a first thin-walled portion and a first thick-walled portion that extends from the toe side of the first thin-walled portion to the heel side of the first thin-walled portion via the back side, so as to surround the first thin-walled portion, and is thicker than the first thin-walled portion.
Claims14
A golf club head comprising:
- a crown portion;
- a sole portion;
- and
- a face portion,
- wherein the sole portion includes:
- a first thin-walled portion;
- a first thick-walled portion that extends from a toe side of the first thin-walled portion to a heel side of the first thin-walled portion via a back side, so as to surround the first thin-walled portion, and is thicker than the first thin-walled portion, and
- a second thin-walled portion that is arranged on the back side of the first thick-walled portion and extends from a toe side of the first thick-walled portion to a heel side of the first thick-walled portion via the back side, so as to surround the first thick-walled portion, and is thinner than the first thick-walled portion, and
- wherein a width in a toe-heel direction of the first thick-walled portion is at least partially larger on the heel side than that on the toe side,
- wherein the sole portion further includes a second thick-walled portion arranged on the face side of the first thin-walled portion, and
- wherein the first thick-walled portion extends from the toe side of the second thick-walled portion to the back side via the toe side of the first thin-walled portion, and further extends from the back side to the heel side of the second thick-walled portion via the heel side of the first thin-walled portion, so as to surround the first thin-walled portion and the second thick-walled portion.
8 more elements
A golf club head comprising:
- a crown portion;
- a sole portion;
- and
- a face portion,
- wherein the sole portion includes:
- a first thin-walled portion;
- a first thick-walled portion that extends from a toe side of the first thin-walled portion to a heel side of the first thin-walled portion via a back side, so as to surround the first thin-walled portion, and is thicker than the first thin-walled portion, wherein the first thick-walled portion is formed to extend toward a face side from a point on the back side, so as to spread toward both the toe side and the heel side, and
- a second thin-walled portion that is arranged on the back side of the first thick-walled portion and extends from a toe side of the first thick-walled portion to a heel side of the first thick-walled portion via the back side, so as to surround the first thick-walled portion, and is thinner than the first thick-walled portion,
- wherein a width in a toe-heel direction of the first thick-walled portion is at least partially larger on the heel side than that on the toe side,
- wherein the sole portion further includes a second thick-walled portion arranged on the face side of the first thin-walled portion, and
- wherein the first thick-walled portion extends from the toe side of the second thick-walled portion to the back side via the toe side of the first thin-walled portion, and further extends from the back side to the heel side of the second thick-walled portion via the heel side of the first thin-walled portion, so as to surround the first thin-walled portion and the second thick-walled portion.
8 more elements
Dependencies are inferred from the claim text.