Golf club head and golf club set
First Claim
1. An iron-type hollow golf club head comprising:
- a face portion;
a back portion; and
a sole portion;
wherein the face portion, the back portion, and the sole portion define a hollow portion,wherein the face portion is thicker as approaching to a lower portion thereof at least on a toe side thereof so as to form a plurality of step-like portions, andwherein at least one rib is provided that extends from a top edge portion of the face portion to a bottom edge portion of the face portion.
1 Assignment
0 Petitions
Accused Products
Abstract
A golf club head is formed by integrally welding a face portion and a back portion with each other. The face portion has a circumferential edge portion in its back surface. The circumferential edge portion is made of a flat surface all over its circumference. In the rear surface of the face portion, the part other than the circumferential edge portion is formed as a recess portion. In the bottom surface of the recess portion, a first bottom surface which is the deepest, a second bottom surface which is the second deepest, a third bottom surface which is the third deepest, and a fourth bottom surface which is the shallowest are formed in descending order. Three ribs are provided vertically to extend through the recess portion.
206 Citations
20 Claims
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1. An iron-type hollow golf club head comprising:
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a face portion; a back portion; and a sole portion; wherein the face portion, the back portion, and the sole portion define a hollow portion, wherein the face portion is thicker as approaching to a lower portion thereof at least on a toe side thereof so as to form a plurality of step-like portions, and wherein at least one rib is provided that extends from a top edge portion of the face portion to a bottom edge portion of the face portion. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. An iron-type hollow golf club head comprising:
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a face portion; a back portion; and a sole portion; wherein the face portion, the back portion, and the sole portion define a hollow portion, wherein the face portion is thicker as approaching to a lower portion thereof at least on a toe side thereof so as to form a plurality of step-like portions, and wherein a rib extending vertically is provided near a central portion of a back surface of the face portion in a width direction of the face portion. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification