US 11,998,816 B2
Golf club head with vibrational damping system
Travis D. Milleman, Portland, OR (US); Matthew T. Schier, Phoenix, AZ (US); and Murphy R. Alexander, Scottsdale, AZ (US)
Assigned to Karsten Manufacturing Corporation, Phoenix, AZ (US)
Filed by KARSTEN MANUFACTURING CORPORATION, Phoenix, AZ (US)
Filed on Mar. 2, 2022, as Appl. No. 17/653,279.
Claims priority of provisional application 63/187,800, filed on May 12, 2021.
Claims priority of provisional application 63/200,348, filed on Mar. 2, 2021.
Prior Publication US 2022/0280848 A1, Sep. 8, 2022
Int. Cl. A63B 53/04 (2015.01); A63B 60/54 (2015.01)
CPC A63B 60/54 (2015.10) [A63B 53/0408 (2020.08); A63B 53/0445 (2020.08); A63B 53/047 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An iron-type golf club head comprising:
a strike face comprising a geometric center and a back face opposite the strike face;
a heel portion;
a toe portion opposite the heel portion;
a top rail;
a sole opposite the top rail;
a rear wall extending upward from the sole at least partially towards the top rail;
wherein the rear wall comprises a rear wall top edge;
an insert cavity formed by at least an inner surface of the rear wall and a lower portion of the back face;
wherein the insert cavity comprises an insert cavity opening extending between the rear wall top edge and the lower portion of the back face;
wherein the insert cavity comprises an insert cavity base formed by an inner surface of the sole;
a damping system comprising:
an insert disposed within the insert cavity;
a badge attached to an upper portion of the back face;
wherein the insert and the badge are in contact with back face;
wherein the damping system defines a damping system coverage area measured as a combined surface area of the back face contacted by the insert and the badge;
wherein the damping system coverage area is greater than 3.0 in2; and
wherein the damping system coverage area is greater than 85% of an available surface area of the back face.