Patent ID: 11918866
Assignee: SUMITOMO RUBBER INDUSTRIES, LTD.
Field: Furniture, games (Other fields)
Classification: CPC A | IPC A

Claim 0:
1. A golf club head comprising:
a toe portion;
a heel portion opposite the toe portion;
a sole portion;
a top portion opposite the sole portion;
a rear portion; and
a striking face defining a striking face plane and formed of a first material and including a plurality of grooves, each of the grooves including:
a substantially planar bottom surface;
a resilient member located entirely in the groove and comprising a second material and a thickness between 0.009 inch and 0.025 inch; and
exposed sidewalls extending forward from the substantially planar bottom surface, each exposed sidewall comprising the first and second materials and a substantially smooth junction where the first and second materials meet.