Golf club head
First Claim
Patent Images
1. A hollow golf club head comprising:
- a front body including a face portion;
a back body; and
a middle body disposed between the front body and the back body and extending from a toe side of a side portion to a heel side of the side portion through a crown portion bending upwardly, wherein;
the material of the middle body is lower in longitudinal elastic modulus and specific gravity than the material of the front body and the material of the back body.
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Accused Products
Abstract
A golf club head includes a front body, a middle body, a back body integrally. The middle body is disposed between the front body and the back body. The middle body includes a middle crown constituting a middle portion of a crown portion in back and forth directions, a middle side constituting middle portions of both side surfaces on a toe side and a heel side in the back and forth directions, a middle sole constituting a middle portion of a sole portion in the back and forth directions. The middle body may include aluminum alloy. The front body and the back body may include titanium alloy.
193 Citations
24 Claims
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1. A hollow golf club head comprising:
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a front body including a face portion; a back body; and a middle body disposed between the front body and the back body and extending from a toe side of a side portion to a heel side of the side portion through a crown portion bending upwardly, wherein; the material of the middle body is lower in longitudinal elastic modulus and specific gravity than the material of the front body and the material of the back body. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A hollow golf club head including at least one of titanium and titanium alloy, the golf club head comprising:
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a front body including a face portion; a back body; and a middle body disposed between the front body and the back body and extending from a toe side of a side portion to a heel side of the side portion through a crown portion bending upwardly; wherein the material of the middle body is thinner than the material of the front body and the material of the back body; and wherein the material of the front body and the material of the middle body comprise metal. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20)
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21. A hollow golf club head including at least one of titanium and titanium alloy, the golf club head comprising:
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a front body including a face portion; a back body; and a middle body disposed between the front body and the back body and extending from a toe side of a side portion to a heel side of the side portion through a crown portion bending upwardly, wherein; the middle body is thinner than the front body and the back body; the front body has a thickness in a range of 0.8 mm to 1.2 mm; the back body has a thickness in a range of 0.8 mm to 1.2 mm; the middle body has a thickness in a range of 0.6 mm to 1.2 mm; and the a material of the middle body comprises metal. - View Dependent Claims (22, 23)
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24. A hollow golf club head including at least one of titanium and titanium alloy, the golf club head comprising:
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a front body including a face portion; a back body; and a middle body disposed between the front body and the back body and extending from a toe side of a side portion to a heel side of the side portion through a crown portion bending upwardly; wherein the material of the middle body is thinner than the material of the front body and the material of the back body; and wherein the middle body is also disposed in at least part of the side portion and tapers between a top and a bottom of the club head.
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Specification