US 11,904,217 B2
Golf club heads with turbulators and methods to manufacture golf club heads with turbulators
Erik M. Henrikson, Phoenix, AZ (US); Paul D. Wood, Phoenix, AZ (US); John Hart, Shefield (GB); Marty R. Jertson, Phoenix, AZ (US); Ryan M. Stokke, Anthem, AZ (US); Xiaojian Chen, Phoenix, AZ (US); Matthew W. Simone, Phoenix, AZ (US); and Yujen Huang, Pingtung (TW)
Assigned to Karsten Manufacturing Corporation, Phoenix, AZ (US)
Filed by KARSTEN MANUFACTURING CORPORATION, Phoenix, AZ (US)
Filed on Dec. 22, 2021, as Appl. No. 17/645,510.
Application 17/645,510 is a continuation of application No. 16/724,021, filed on Dec. 20, 2019, granted, now 11,213,725.
Application 16/724,021 is a continuation in part of application No. 16/543,356, filed on Aug. 16, 2019, granted, now 11,491,375.
Application 16/543,356 is a continuation of application No. 16/104,835, filed on Aug. 17, 2018, granted, now 10,413,788, issued on Sep. 17, 2019.
Application 16/104,835 is a continuation in part of application No. 15/656,340, filed on Jul. 21, 2017, granted, now 10,232,232, issued on Mar. 19, 2019.
Application 15/656,340 is a continuation in part of application No. 15/354,697, filed on Nov. 17, 2016, granted, now 10,300,349, issued on May 28, 2019.
Application 15/354,697 is a continuation of application No. 14/710,420, filed on May 12, 2015, granted, now 9,555,294, issued on Jan. 31, 2017.
Application 14/710,420 is a continuation of application No. 14/093,967, filed on Dec. 2, 2013, granted, now 9,168,432, issued on Oct. 27, 2015.
Application 14/093,967 is a continuation in part of application No. 13/536,753, filed on Jun. 28, 2012, granted, now 8,608,587, issued on Dec. 17, 2013.
Application 14/710,420 is a continuation in part of application No. 13/536,753.
Claims priority of provisional application 62/783,957, filed on Dec. 21, 2018.
Claims priority of provisional application 62/547,524, filed on Aug. 18, 2017.
Claims priority of provisional application 62/517,104, filed on Jun. 8, 2017.
Claims priority of provisional application 62/515,363, filed on Jun. 5, 2017.
Claims priority of provisional application 62/365,911, filed on Jul. 22, 2016.
Claims priority of provisional application 61/775,982, filed on Mar. 11, 2013.
Claims priority of provisional application 61/651,392, filed on May 24, 2012.
Claims priority of provisional application 61/553,428, filed on Oct. 31, 2011.
Prior Publication US 2022/0111266 A1, Apr. 14, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. A63B 53/04 (2015.01); A63B 60/52 (2015.01); A63B 60/00 (2015.01)
CPC A63B 53/0466 (2013.01) [A63B 53/04 (2013.01); A63B 60/52 (2015.10); A63B 53/047 (2013.01); A63B 53/0408 (2020.08); A63B 53/0412 (2020.08); A63B 53/0433 (2020.08); A63B 53/0437 (2020.08); A63B 53/0487 (2013.01); A63B 60/002 (2020.08); A63B 60/006 (2020.08); A63B 2225/01 (2013.01); Y10T 29/49 (2015.01); Y10T 29/49826 (2015.01)] 20 Claims
OG exemplary drawing
 
1. A golf club head comprising:
a crown, a sole, a toe end, a heel end, a face portion defining a loft plane, a rear portion, and a leading edge between the face portion and the crown;
a crown insert comprising a top surface and a bottom surface; and
a plurality of turbulators including a plurality of ridges integrally formed on the top surface of the crown insert, wherein each ridge of the plurality of ridges includes:
a base positioned directly adjacent to the top surface of the crown insert;
a top surface opposite the base of the ridge;
a ridge apex defined as a maximum height of the ridge measured in a direction perpendicular from the base of the ridge;
a front surface comprises a first end closest to the face portion and a second end closest to the ridge apex; and
a rear surface defining a portion of the ridge being closest to the rear portion of the golf club head, extending from behind the ridge apex towards the rear portion of the club head;
wherein:
the crown further comprises a crown apex;
the crown further comprises a length measured from the face portion to the rear portion;
the crown apex is located in a front region of the crown rearward of the leading edge and along a centerline extending from the face portion to the rear portion of the golf club head;
the golf club head further comprises a recess in the crown;
the crown insert is configured to be received by the recess in the crown;
each turbulator of the plurality of turbulators is completely located in a forward two-fifths of the length of the crown;
the ridge apex of each ridge of the plurality of ridges is positioned within a first 50% of a ridge length; and
the ridge apex is between 0.02 inch (0.51 mm) and 0.07 inch (1.78 mm).