US 11,666,805 B2
Golf club head
Kiyofumi Matsunaga, Kobe (JP)
Assigned to Sumitomo Rubber Industries, Ltd., Hyogo (JP)
Filed by Sumitomo Rubber Industries, Ltd., Hyogo (JP)
Filed on Jan. 25, 2022, as Appl. No. 17/584,276.
Claims priority of application No. JP2021-017793 (JP), filed on Feb. 5, 2021.
Prior Publication US 2022/0249922 A1, Aug. 11, 2022
Int. Cl. A63B 53/04 (2015.01)
CPC A63B 53/0458 (2020.08) [A63B 53/042 (2020.08); A63B 53/047 (2013.01); A63B 53/0408 (2020.08)] 20 Claims
OG exemplary drawing
 
1. A golf club head comprising:
a face portion comprising
a hitting face for striking a ball,
a sweet spot on the hitting face,
a toe,
a back face opposite the hitting face, and
a first thin-walled region formed by being recessed the back face,
wherein
in a front view of the face portion viewed from a direction orthogonal to the hitting face,
the first thin-walled region is provided in a toe-upper region that is a region above the sweet spot and on a toe side with respect to the sweet spot,
the first thin-walled region is provided outside a region having a radius of 5 mm centered on the sweet spot, and
an area of the first thin-walled region is in a range from 15% to 70% of an area of the toe-upper region.