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US 7,344,452 B2Granted
Golf club head
AssigneeBridgestone Sports Co., Ltd.
InventorsYasunori Imamoto, Hisashi Yamagishi
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Abstract
A golf club head includes a front body formed of a titanium-based metal material, an FRP body, a metallic sole plate, and a weight member. The front body has a face portion, a metal sole portion, a metal side portion (toe), a metal crown portion, a metal side portion (heel), and a hosel portion. A slight gap is formed between a front side of the sole plate and the metal sole portion. Preferably, the front body is made of a titanium alloy, while the sole plate is made of stainless steel.
Claims10
A golf club head of a hollow shell structure, comprising:
- a first member that includes titanium-based metal material and includes a face portion and an edge portion continuous with the face portion;
- a metal plate that is different member from the first member, extends in a direction, which is different from a toe-heel direction of the golf club head, and includes at least a part of sole portion;
- and
- a second member formed of a fiber reinforced resin and comprising at least a portion of said hollow shell structure, wherein:
- the weight of the first member is in a range of 20% to 70% of the weight of the golf club head;
- and
- wherein the metal plate is made of a metal material, which is larger in specific gravity than the titanium-based metal material.
4 more elements
Dependencies are inferred from the claim text.