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US 6,783,466 B2Granted
Golf club head
AssigneeBridgestone Sports Co., Ltd.
InventorsTeruaki Seki, Masaomi Hiruta, Hideo Matsunaga
Life of this patent
Estimating the term…
Abstract
This golf club head is constituted by a front part 1 including a face portion 2 and a crown main portion 3, and a back part 10 forming the remaining portion of the golf club head. A metal material forming the front part 1 has lower Young's modulus than that of a metal material forming the back part 10. The front part 1 and the back part 10 are welded. The thickness of the center of the face portion 2 is larger than the thickness of the periphery thereof. The thickness of the vicinity of a highest point 3A of the crown is small.
Claims21
A hollow golf club head made of metal comprising:
- a front part having a face portion and a crown portion integrally and made of a homogeneous material;
- and
- a back part having a sole portion, a side portion, and a hosel portion,
- wherein the front part and the back part are welded;
- and
- wherein the front part is lower in Young's modulus than the back part.
3 more elements
Dependencies are inferred from the claim text.