Golf club head
First Claim
Patent Images
1. A golf club head having a hollow structure, the golf club head comprising:
- a face defining a front portion of the golf club head and including a face surface defining a ball-striking surface;
an internal surface including an internal depression, the internal depression at least partly extending along an outline of the face surface;
an external surface including an external depression, the external depression at least partly extending along the outline of the face surface;
a crown defining a top portion of the golf club head; and
a sole defining a bottom portion of the golf club head,wherein the external depression includes a toe-side external depression closer to a toe of the golf club head than to a heel of the golf club head, and a heel-side external depression closer to the heel than to the toe,wherein the internal depression includes a first end closer to the toe than to the heel, and a second end closer to the heel than to the toe,wherein the toe-side external depression includes a third end closer to the crown than to the sole and a fourth end closer to the sole than to the crown, the third end being positioned near the first end,wherein the heel-side external depression includes a fifth end closer to the crown than to the sole and a sixth end closer to the sole than to the crown, the fifth end being positioned near the second end, andwherein a minimum distance between the third end and the first end is more than or equal to 3 mm and less than or equal to 30 mm, and a minimum distance between the fifth end and the second end is more than or equal to 3 mm and less than or equal to 30 mm.
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Accused Products
Abstract
A golf club head having a hollow structure includes a face, an internal surface, and an external surface. The face defines a front portion of the golf club head and includes a face surface defining a ball-striking surface. The internal surface includes an internal depression that at least partly extends along the outline of the face surface. The external surface includes an external depression that at least partly extends along the outline of the face surface.
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Citations
16 Claims
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1. A golf club head having a hollow structure, the golf club head comprising:
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a face defining a front portion of the golf club head and including a face surface defining a ball-striking surface; an internal surface including an internal depression, the internal depression at least partly extending along an outline of the face surface; an external surface including an external depression, the external depression at least partly extending along the outline of the face surface; a crown defining a top portion of the golf club head; and a sole defining a bottom portion of the golf club head, wherein the external depression includes a toe-side external depression closer to a toe of the golf club head than to a heel of the golf club head, and a heel-side external depression closer to the heel than to the toe, wherein the internal depression includes a first end closer to the toe than to the heel, and a second end closer to the heel than to the toe, wherein the toe-side external depression includes a third end closer to the crown than to the sole and a fourth end closer to the sole than to the crown, the third end being positioned near the first end, wherein the heel-side external depression includes a fifth end closer to the crown than to the sole and a sixth end closer to the sole than to the crown, the fifth end being positioned near the second end, and wherein a minimum distance between the third end and the first end is more than or equal to 3 mm and less than or equal to 30 mm, and a minimum distance between the fifth end and the second end is more than or equal to 3 mm and less than or equal to 30 mm. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A golf club head having a hollow structure, the golf club head comprising:
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a face defining a front portion of the golf club head and including a face surface defining a ball-striking surface; an internal surface including an internal depression, the internal depression at least partly extending along an outline of the face surface; an external surface including an external depression, the external depression at least partly extending along the outline of the face surface; and a sole defining a bottom portion of the golf club head, wherein the external depression includes a toe-side external depression closer to a toe of the golf club head than to a heel of the golf club head, and a heel-side external depression closer to the heel than to the toe, and wherein a sole-side portion of the golf club head is devoid of a depression in a region along the outline of the face surface between the toe-side external depression and the heel-side external depression. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16)
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Specification