Golf club head
AssigneeBridgestone Sports Co., Ltd.
InventorTakaharu Takechi
Life of this patent
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Abstract
A hollow golf club head comprises a face part, a sole part, a side part, a crown part, and a hosel part. At least one of the face part and the crown part has portions of two different rigidities that are first and second rigid portions, the first rigid portion has a first rigidity, the second rigid portion is made of the same material as the first rigid portion, and the second rigid portion has the same thickness as the first rigid portion but has a lower rigidity than the first rigidity of the first rigid portion.
Claims12
A hollow golf club head, comprising a face part, a sole part, a side part, a crown part, and a hosel part, wherein
- at least one of the face part and the crown part has portions of two different thicknesses that are first and second thickness portions, the first thickness portion having a first thickness, and the second thickness portion having a second thickness that is different from the first thickness,
- a rigidity of the first thickness portion is the same as a rigidity of the second thickness portion,
- the second thickness of the second thickness portion is greater than the first thickness of the first thickness portion, and
- the second thickness portion has a hollow chamber part that is a hollow chamber entirely enclosed within the second thickness portion.
Dependencies are inferred from the claim text.