US 11,857,850 B2
Golf club head with grooves and method of manufacture
John A Solheim, Phoenix, AZ (US)
Assigned to Karsten Manufacturing Corporation, Phoenix, AZ (US)
Filed by KARSTEN MANUFACTURING CORPORATION, Phoenix, AZ (US)
Filed on Sep. 7, 2021, as Appl. No. 17/447,042.
Application 13/759,864 is a division of application No. 13/440,218, filed on Apr. 5, 2012, granted, now 8,382,608, issued on Feb. 26, 2013.
Application 17/447,042 is a continuation of application No. 16/523,817, filed on Jul. 26, 2019, granted, now 11,110,329.
Application 16/523,817 is a continuation of application No. 16/027,126, filed on Jul. 3, 2018, granted, now 10,406,411, issued on Sep. 10, 2019.
Application 16/027,126 is a continuation of application No. 15/018,295, filed on Feb. 8, 2016, granted, now 10,039,962, issued on Aug. 7, 2018.
Application 15/018,295 is a continuation of application No. 14/695,389, filed on Apr. 24, 2015, granted, now 9,272,374, issued on Mar. 1, 2016.
Application 14/695,389 is a continuation of application No. 13/759,864, filed on Feb. 5, 2013, granted, now 9,015,918, issued on Apr. 28, 2015.
Application 13/440,218 is a continuation of application No. 13/045,178, filed on Mar. 10, 2011, granted, now 8,172,698, issued on May 8, 2012.
Application 13/045,178 is a continuation of application No. 12/263,241, filed on Oct. 31, 2008, granted, now 7,927,230, issued on Apr. 19, 2011.
Prior Publication US 2021/0394027 A1, Dec. 23, 2021
This patent is subject to a terminal disclaimer.
Int. Cl. A63B 53/04 (2015.01); B23P 11/00 (2006.01); B23P 11/02 (2006.01); B23P 17/04 (2006.01)
CPC A63B 53/047 (2013.01) [B23P 11/00 (2013.01); B23P 11/025 (2013.01); B23P 17/04 (2013.01); A63B 53/0416 (2020.08); A63B 53/0445 (2020.08); A63B 2209/00 (2013.01); Y10T 29/4997 (2015.01); Y10T 29/49826 (2015.01); Y10T 29/49865 (2015.01); Y10T 29/49885 (2015.01); Y10T 29/49989 (2015.01); Y10T 29/49995 (2015.01)] 16 Claims
OG exemplary drawing
 
1. A golf club head comprising:
a body having a strike face with a plurality of channels;
wherein the strike face comprises a first material;
wherein the channels are formed within the first material such that each channel is separated from other channels by the first material;
wherein each channel of the plurality of channels is symmetrical about a first axis;
wherein the first axis is substantially perpendicular to a width of the first channel; and
at least one insert located entirely within at least one of the channels;
wherein:
the at least one of the channels comprises a single groove;
the at least one insert forms at least a portion of the single groove;
the single groove is symmetrical about the first axis;
wherein the single groove comprises walls that are made from the at least one insert;
the at least one insert comprises convex walls on both sides of the first axis, when viewed as a cross-section; and
the single groove has a substantially constant volume across a length of the single groove.