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US 9,308,421 B2Granted
Golf club head
AssigneeBridgestone Sports Co., Ltd.
InventorsWataru Ban, Atsushi Komatsu
Life of this patent
Estimating the term…
Abstract
A golf club head of this invention includes a sole portion and a face portion. The golf club head includes a metal member that forms the face portion. The surface of the metal member includes a plurality of score lines, and undulations continuously formed in the up-down direction of the face portion. The pitch between adjacent apexes of the undulations exceeds 3 mm. The score lines are formed at the apexes of the undulations.
Claims15
A golf club head including a sole portion and a face portion, comprising:
- a metal member that forms said face portion, wherein a surface of said metal member comprises:
- a plurality of score lines;
- and undulations continuously formed in an up-down direction of said face portion, a pitch between adjacent apexes of said undulations exceeds 3 mm, and said score lines are formed at the apexes of said undulations;
- wherein one bottom portion of said undulation is located between said score lines that are adjacent.
1 more element
A golf club head including a sole portion and a face portion, comprising:
- a metal member that forms said face portion,
- wherein a surface of said metal member comprises:
- a plurality of score lines;
- undulations continuously formed in an up-down direction of said face portion;
- said score lines are formed at the apexes of said undulations;
- wherein one bottom portion of said undulation is located between said score lines that are adjacent;
- and
- a sectional contour of each undulation has an S shape.
5 more elements
Dependencies are inferred from the claim text.