US 12,201,880 B2
Golf club head with improved variable thickness striking face
Kyle A. Carr, Carlsbad, CA (US); and David S. Cornelius, San Marcos, CA (US)
Assigned to Acushnet Company, Fairhaven, MA (US)
Filed by Acushnet Company, Fairhaven, MA (US)
Filed on May 4, 2023, as Appl. No. 18/312,449.
Application 18/312,449 is a continuation of application No. 17/320,671, filed on May 14, 2021, granted, now 11,679,314.
Application 17/320,671 is a continuation of application No. 16/828,406, filed on Mar. 24, 2020, granted, now 11,033,785, issued on Jun. 15, 2021.
Prior Publication US 2023/0271067 A1, Aug. 31, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. A63B 53/04 (2015.01); A63B 53/08 (2015.01)
CPC A63B 53/0466 (2013.01) [A63B 53/0458 (2020.08); A63B 53/0462 (2020.08); A63B 53/0412 (2020.08); A63B 53/0416 (2020.08); A63B 53/0437 (2020.08)] 17 Claims
OG exemplary drawing
 
1. A golf club head having a crown, a sole, and a skirt comprising:
a striking face located at a frontal portion of said golf club head adapted to strike a golf ball, said striking face comprising:
a central region at a center of said striking face having a substantially constant thickness; and
a transition region surrounding said central region and having a variable thickness between that of said central region and a perimeter region,
wherein every point on said striking face within +/−20 mm horizontally from said center of said striking face, within 8 mm toward said sole from said center of said striking face, and within 10 mm toward said crown from said center of said striking face has a characteristic time (CT) value less than a predetermined threshold CT value,
wherein a projected area of said transition region in a loft plane of said golf club head is between about 40.0 percent to about 65.0 percent of a total projected area of said striking face, and
wherein every point on said striking face within +/−4 mm horizontally from said center of said striking face and within +/−4 mm vertically from said center of said striking face has a CT value within 6 us of said predetermined threshold CT value.