	US 12,070,663 B2
	Aerodynamic golf club head
Kraig Alan Willett, Fallbrook, CA (US); Jeffrey J. Albertsen, Plano, TX (US); and Michael Scott Burnett, McKinney, TX (US)
Assigned to Taylor Made Golf Company, Inc., Carlsbad, CA (US)
Filed by Taylor Made Golf Company, Inc., Carlsbad, CA (US)
Filed on Apr. 21, 2023, as Appl. No. 18/137,472.
Application 18/137,472 is a continuation of application No. 17/360,179, filed on Jun. 28, 2021, granted, now 11,633,651.
Application 17/360,179 is a continuation of application No. 16/524,854, filed on Jul. 29, 2019, granted, now 11,045,694, issued on Jun. 29, 2021.
Application 16/524,854 is a continuation of application No. 15/959,467, filed on Apr. 23, 2018, granted, now 10,363,463, issued on Jul. 30, 2019.
Application 15/959,467 is a continuation of application No. 15/456,630, filed on Mar. 13, 2017, granted, now 9,950,224, issued on Apr. 24, 2018.
Application 15/456,630 is a continuation of application No. 15/002,471, filed on Jan. 21, 2016, granted, now 9,623,295, issued on Apr. 18, 2017.
Application 15/002,471 is a continuation of application No. 14/488,354, filed on Sep. 17, 2014, granted, now 9,259,628, issued on Feb. 16, 2016.
Application 14/488,354 is a continuation of application No. 13/718,107, filed on Dec. 18, 2012, granted, now 8,858,359, issued on Oct. 14, 2014.
Application 13/718,107 is a continuation in part of application No. 13/683,299, filed on Nov. 21, 2012, granted, now 8,540,586, issued on Sep. 24, 2013.
Application 13/683,299 is a continuation of application No. 13/305,978, filed on Nov. 29, 2011, abandoned.
Application 13/305,978 is a continuation of application No. 12/409,998, filed on Mar. 24, 2009, granted, now 8,088,021, issued on Jan. 3, 2012.
Application 12/409,998 is a continuation in part of application No. 12/367,839, filed on Feb. 9, 2009, granted, now 8,083,609, issued on Dec. 27, 2011.
Claims priority of provisional application 61/101,919, filed on Oct. 1, 2008.
Claims priority of provisional application 61/080,892, filed on Jul. 15, 2008.
Prior Publication US 2023/0249038 A1, Aug. 10, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. A63B 53/04 (2015.01); F15D 1/10 (2006.01)

CPC A63B 53/0466 (2013.01) [F15D 1/10 (2013.01); A63B 53/0408 (2020.08); A63B 53/0412 (2020.08); A63B 53/042 (2020.08); A63B 53/0437 (2020.08); A63B 2225/01 (2013.01)]

20 Claims

1. An aerodynamic golf club head comprising:

A) a hollow body having a club head volume of at least 400 cc, a face, a sole section, a crown section, a front, a back, a heel, a toe, and a front-to-back dimension of 111.8-130.0 mm, wherein the hollow body has a bore having a center that defines a shaft axis that intersects a ground plane to define a ground origin point;

B) the face having a top edge and a lower edge, wherein a top edge height is the elevation of the top edge above the ground plane, and a lower edge height is the elevation of the lower edge above the ground plane;

C) the crown section having a crown apex located an apex height above the ground plane, and an apex plane passes through the crown apex and is parallel to the ground plane, wherein:

i) a portion of the crown is composed of nonmetallic material;

ii) the crown apex is located a distance from the ground origin point toward the toe a crown apex x-dimension distance that is parallel to the vertical plane defined by the shaft axis and parallel to the ground plane;

iii) the crown section has a 12 degree pitched up orientation crown apex and defining a 12 degree pitched up/8 mm drop contour area (CA), wherein;

(a) the 12 degree pitched up orientation crown apex is located at a peak height of the crown section when the hollow body is positioned in a 12 degree pitched up orientation that includes an absolute lie angle of 55 degrees, a face angle of 0 degrees, and a pitch angle of 12 degrees up;

(b) the 12 degree/8 mm drop contour area (CA) is defined as the cross-sectional area of an intersection of the crown section with an offset plane located at an elevation that is 8 mm below the 12 degree pitched up orientation crown apex and parallel to the ground plane when the hollow body is positioned in the 12 degree pitched up orientation; and

(c) wherein the hollow body has a projected area of the face portion (A_f), and wherein the 12 degree pitched up/8 mm drop contour area (CA) is greater than the linear expression:

CA=−1.5395*A_f+19.127

D) a head-shaft connection assembly including a shaft sleeve configured to be received in the bore and the shaft sleeve is secured by a fastening member in a locked position, the head-shaft connection assembly configured to allow the golf club head to be adjustably attachable to a golf club shaft in a plurality of different positions resulting in an adjustability range of different combinations of loft angle, face angle, or lie angle;

E) wherein the golf club head has a head origin defined as a position on a face plane at a geometric center of the face, the head origin including an x-axis tangential to the face and generally parallel to the ground when the head is in an address position where a positive x-axis extends towards a heel portion and a negative x-axis extends towards a toe portion, a y-axis extending perpendicular to the x-axis and generally parallel to the ground when the head is in the address position where a positive y-axis extends from the face and through a rearward portion of the body, and a z-axis extending perpendicular to the ground, to the x-axis and to the y-axis when the head is in the address position where a positive z-axis extends from the head origin and generally upward, wherein the golf club head has a center of gravity with a x-axis coordinate, a y-axis coordinate is 15-50 mm, and a z-axis coordinate; and

F) wherein the golf club head has a moment of inertia about the center of gravity x-axis, Ixx, of 200-500 kg·mm², a moment of inertia about the center of gravity y-axis, Iyy, of 200-400 kg·mm², and a moment of inertia about the center of gravity z-axis, Izz, of 350-600 kg·mm².