Patent ID: 11969633
Assignee: SUMITOMO RUBBER INDUSTRIES, LTD.
Field: Furniture, games (Other fields)
Classification: CPC A | IPC A

Claim 8:
9. A golf club head that, when oriented in a reference position, comprises:
a head main body including a toe, a heel opposite the toe, an upper portion, and a sole opposite the upper portion;
a face coupled to the head main body, the face including a face center and a plurality of grooves, each adjacent pair of the plurality of grooves defining a pitch therebetween resulting in a plurality of pitches corresponding to the plurality of grooves, the plurality of pitches generally increasing in value in a laterally outward direction from the face center; and
a first measurement region defined by a 6 mm×6 mm square around the face center and a second measurement region defined by a 6 mm×6 mm square toe-ward of the first measurement region, wherein:
a depth of each groove of the plurality of grooves is substantially constant;
the first measurement region includes a surface skew Ssk1 of 1.0-1.5; and
the second measurement region includes a surface skew Ssk2 that is 0.2-0.7 less than Ssk1.