US 11,701,558 B2
Club heads having reinforced club head faces and related methods
Eric J. Morales, Laveen, AZ (US); Ryan M. Stokke, Anthem, AZ (US); Eric V. Cole, Phoenix, AZ (US); Cory S. Bacon, Cave Creek, AZ (US); Travis D. Milleman, Portland, OR (US); Jacob T. Clarke, Apex, NC (US); Calvin Wang, Chandler, AZ (US); Xiaojian Chen, Phoenix, AZ (US); and Martin R. Jertson, Phoenix, AZ (US)
Assigned to Karsten Manufacturing Corporation, Phoenix, AZ (US)
Filed by KARSTEN MANUFACTURING CORPORATION, Phoenix, AZ (US)
Filed on Jan. 15, 2021, as Appl. No. 17/150,830.
Application 17/150,830 is a continuation of application No. 16/282,020, filed on Feb. 21, 2019, granted, now 10,918,919.
Application 16/282,020 is a continuation of application No. 15/644,653, filed on Jul. 7, 2017, granted, now 10,258,843, issued on Apr. 16, 2019.
Application 15/644,653 is a continuation in part of application No. 15/170,593, filed on Jun. 1, 2016, granted, now 10,905,926.
Application 15/170,593 is a continuation in part of application No. 14/710,236, filed on May 12, 2015, granted, now 10,905,925.
Application 15/644,653 is a continuation in part of application No. 15/628,639, filed on Jun. 20, 2017, granted, now 10,888,743.
Application 15/628,639 is a continuation in part of application No. 14/920,484, filed on Oct. 22, 2015, abandoned.
Application 14/920,484 is a continuation in part of application No. 14/920,480, filed on Oct. 22, 2015, granted, now 10,688,350, issued on Jun. 23, 2020.
Claims priority of provisional application 62/521,998, filed on Jun. 19, 2017.
Claims priority of provisional application 62/359,450, filed on Jul. 7, 2016.
Claims priority of provisional application 62/280,035, filed on Jan. 18, 2016.
Claims priority of provisional application 62/266,074, filed on Dec. 11, 2015.
Claims priority of provisional application 62/169,089, filed on Jun. 1, 2015.
Claims priority of provisional application 62/146,783, filed on Apr. 13, 2015.
Claims priority of provisional application 62/101,926, filed on Jan. 9, 2015.
Claims priority of provisional application 62/023,819, filed on Jul. 11, 2014.
Claims priority of provisional application 61/994,029, filed on May 15, 2014.
Claims priority of provisional application 62/484,529, filed on Apr. 12, 2017.
Claims priority of provisional application 62/462,250, filed on Feb. 22, 2017.
Claims priority of provisional application 62/436,019, filed on Dec. 19, 2016.
Claims priority of provisional application 62/352,495, filed on Jun. 20, 2016.
Claims priority of provisional application 62/206,152, filed on Aug. 17, 2015.
Claims priority of provisional application 62/131,739, filed on Mar. 11, 2015.
Claims priority of provisional application 62/105,460, filed on Jan. 20, 2015.
Claims priority of provisional application 62/105,464, filed on Jan. 20, 2015.
Claims priority of provisional application 62/068,232, filed on Oct. 24, 2014.
Claims priority of provisional application 62/206,152, filed on Aug. 17, 2015.
Prior Publication US 2021/0138321 A1, May 13, 2021
This patent is subject to a terminal disclaimer.
Int. Cl. A63B 53/04 (2015.01); A63B 53/06 (2015.01); A63B 60/54 (2015.01); A63B 60/02 (2015.01); A63B 60/52 (2015.01)
CPC A63B 53/0475 (2013.01) [A63B 53/047 (2013.01); A63B 53/06 (2013.01); A63B 60/02 (2015.10); A63B 60/54 (2015.10); A63B 53/0408 (2020.08); A63B 53/0416 (2020.08); A63B 53/0445 (2020.08); A63B 53/0454 (2020.08); A63B 53/0458 (2020.08); A63B 60/52 (2015.10); A63B 2053/0491 (2013.01); A63B 2209/00 (2013.01); Y10T 29/49828 (2015.01)] 20 Claims
OG exemplary drawing
 
1. A golf club head comprising:
a top end and a bottom end opposite the top end;
a front end and a rear end opposite the front end;
a toe end and a heel end opposite the toe end;
a face element comprising:
a face surface located at the front end and comprising a face center and a face perimeter;
a rear surface located at the rear end and being approximately opposite to the face surface, the rear surface comprising a rear center approximately opposite the face center and a rear perimeter; and
a reinforcement element located at the rear surface;
the toe end divided into a first toe end portion, a second toe end portion, and a third toe end portion;
wherein the first toe end portion is adjacent and integrally formed with top end, the third toe end portion is adjacent and integrally formed with the bottom end, and the second toe end portion is positioned between the first toe end portion and the third toe end portion; and
wherein the reinforcement element extends out from the rear surface toward the rear end and away from the front end;
wherein the reinforcement element comprises a looped rib having an outer perimeter surface and an inner perimeter surface;
wherein the outer perimeter surface of the reinforcement element is filleted with the rear surface with a fillet having a radius of greater than or equal to 0.012 centimeter;
wherein the inner perimeter surface comprises a largest rib span of greater than or equal to approximately 0.609 centimeters to approximately 1.88 centimeters;
wherein the toe end comprises a toe ledge extending in a curved manner between a top rail and a rear portion, the toe ledge is integrally formed with a top rail wall and the rear portion;
wherein the heel end comprises a heel ledge extending in a curved manner between the top rail and the rear portion, the toe ledge is integrally formed with the top rail wall and the rear portion;
an undercut comprising a first cavity, a second cavity, a third cavity, a fourth cavity, and a fifth cavity;
the first cavity is formed between the rear surface and the top end;
the second cavity is formed between the rear surface and the rear perimeter;
the third cavity is formed between the rear surface and the toe ledge at the first toe end portion;
the fourth cavity is formed between the rear surface and the toe ledge at the second toe end portion; and
the fifth cavity is formed between the rear surface and the heel ledge.