US 12,409,367 B2
Golf club head
Wataru Ban, Tokyo (JP)
Assigned to BRIDGESTONE SPORTS CO., LTD., Tokyo (JP)
Filed by BRIDGESTONE SPORTS CO., LTD., Tokyo (JP)
Filed on Dec. 7, 2022, as Appl. No. 18/076,533.
Claims priority of application No. 2021-208410 (JP), filed on Dec. 22, 2021.
Prior Publication US 2023/0191209 A1, Jun. 22, 2023
Int. Cl. A63B 53/04 (2015.01)
CPC A63B 53/0445 (2020.08) [A63B 53/0408 (2020.08); A63B 53/0458 (2020.08)] 11 Claims
OG exemplary drawing
 
1. A golf club head comprising:
a face portion;
a plurality of score lines formed in the face portion and extending in a toe-heel direction; and
a plurality of convex portions formed in the face portion, projecting from a reference plane which includes edges of each of the plurality of score lines, and extending in the toe-heel direction,
wherein the plurality of convex portions include a first convex portion and a second convex portion formed between adjacent score lines,
both a projecting height of the first convex portion and a width in an orthogonal direction of the toe-heel direction of the first convex portion are larger than those of the second convex portion,
a plurality of concave portions recessed on a side of the reference plane in a projecting height direction of the convex portion are formed in the plurality of convex portions, and
the plurality of concave portions includes a concave portion having a bottom surface above the reference plane in the projecting height direction.