Golf club head
First Claim
1. A hollow golf club head comprising:
- a face portion having a front face for hitting a golf ball, a sole portion forming a bottom surface of the head, a crown portion forming a top surface of the head and a side portion between the crown portion and the sole portion;
the head comprising a face member and a sole member;
the face member comprising the face portion, the crown portion, the side portion and a sole opening, wherein the face member is made of a metallic material;
the sole member being attached to the sole opening of the face member to form the sole portion at least partially, the sole member comprising a first member made of a metallic material and a second member made of a fiber reinforced resin for supporting the first member so that the first member does not directly contact with the face member;
the head having a primary natural frequency in a range of from 3800 to 6500 Hz andan antinode when the head vibrates in the its primary natural mode appears in the first member.
1 Assignment
0 Petitions
Accused Products
Abstract
A hollow golf club head comprises a face portion with a face for hitting a ball on its front and a crown portion forming a top surface of the head, wherein the head comprises a face member including the face portion and made of a metallic material and a crown member attached to the face member to form the crown portion at least partially, the crown member includes a first member made of a metal material and a second member made of a fiber reinforced resin for supporting the first member so that the first member does not directly contact with the face member, the head has a primary natural frequency of from 3800 to 6500 Hz and an antinode when the head vibrates in the primary natural mode appears in the first member.
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Citations
7 Claims
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1. A hollow golf club head comprising:
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a face portion having a front face for hitting a golf ball, a sole portion forming a bottom surface of the head, a crown portion forming a top surface of the head and a side portion between the crown portion and the sole portion; the head comprising a face member and a sole member; the face member comprising the face portion, the crown portion, the side portion and a sole opening, wherein the face member is made of a metallic material; the sole member being attached to the sole opening of the face member to form the sole portion at least partially, the sole member comprising a first member made of a metallic material and a second member made of a fiber reinforced resin for supporting the first member so that the first member does not directly contact with the face member; the head having a primary natural frequency in a range of from 3800 to 6500 Hz and an antinode when the head vibrates in the its primary natural mode appears in the first member. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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Specification