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US 2004/0204264 A1Published application
Golf club head
AssigneeBridgestone Sports Co., Ltd.
InventorsHideo Matsunaga, Masaomi Hiruta
Life of this patent
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Abstract
A hollow golf club head made of metal includes a face portion, a sole portion, a side portion, and a crown portion. The crown portion and at least a part of the side portion have a Young's modulus lower than the face portion and the sole portion.
Claims12
A hollow golf club head made of metal comprising:
- a face portion;
- a sole portion;
- a side portion;
- and
- a crown portion,
- wherein the crown portion and at least a part of the side portion have a Young's modulus lower than the face portion and the sole portion.
3 more elements
A hollow golf club head made of metal comprising:
- an upper member including a crown portion and a part of a side portion;
- a lower member including a sole portion;
- a face plate;
- and
- a hosel portion, wherein:
- the upper member has a Young's modulus lower than the lower member and the face plate.
3 more elements
Dependencies are inferred from the claim text.