Golf club heads with optimized characteristics and related methods
First Claim
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1. A golf club head comprising:
- a head body comprising;
a head front portion;
a head rear portion;
a head heel portion;
a head toe portion;
a head sole portion;
a head top portion; and
a hosel structure having a bore for receiving a golf club shaft, the bore having a hosel axis;
a strikeface at the head front portion and comprising a face height and a strikeface centerpoint, the face height being between 33 mm and 71 mm and the strikeface centerpoint positioned at a midpoint of the face height;
a head volume measured in cc'"'"'s and comprising a head volume magnitude greater than 420 cc;
a head center of gravity; and
an optimization characteristic;
wherein;
when the golf club head is at an address position over a ground plane;
a head vertical axis extends through the head center of gravity and is orthogonal to the ground plane; and
a head horizontal axis extends through the head center of gravity, and is orthogonal to the head vertical axis;
a loft plane of the golf club head is tangent to the strikeface centerpoint;
a front plane of the golf club head extends through the strikeface centerpoint, parallel to the hosel axis, and orthogonal to the ground plane;
a head depth plane extends through the strikeface centerpoint, parallel to the head horizontal axis and perpendicular to the loft plane;
a CG height axis extends through the head center of gravity and intersects the head depth plane perpendicularly at a first intersection point;
a head CG height of the head center of gravity is measured, along the CG height axis, between the head center of gravity and the first intersection point;
a head CG depth of the head center of gravity is measured, parallel to the ground plane and orthogonal to the front plane, between;
a second intersection point located at an intersection between the front plane and the ground plane; and
a third intersection point located at an intersection between the head vertical axis and the ground plane;
the head CG height is approximately 0 mm to approximately 5.08 mm and the head CG depth is approximately 25 mm to approximately 102 mm;
the optimization characteristic is defined by (a) the head volume magnitude added to (b) a ratio between the head CG depth divided by an absolute value of the head CG height; and
the optimization characteristic is greater than or equal to 425 cc;
the head body comprises a weight structure located towards the head sole portion and the head rear portion;
a clock grid comprises at least;
a 12 o'"'"'clock ray;
a 3 o'"'"'clock ray;
a 4 o'"'"'clock ray;
a 5 o'"'"'clock ray;
a 8 o'"'"'clock ray; and
a 9 o'"'"'clock ray;
when the golf club head is at the address position over the ground plane, from a bottom view of the golf club head, the 12 o'"'"'clock ray is aligned with the strikeface centerpoint and orthogonal to a front intersection line between the loft plane and the ground plane;
the clock grid is centered along the 12 o'"'"'clock ray, at a midpoint between a front end of the head front portion and a rear end of the head rear portion;
the 3 o'"'"'clock ray extends towards the head heel portion;
the 9 o'"'"'clock ray extends towards the head toe portion;
a perimeter of the weight structure is bounded between the 4 o'"'"'clock ray and the 9 o'"'"'clock ray; and
a center of gravity of the weight structure is located between the 5 o'"'"'clock ray and the 8 o'"'"'clock ray.
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Abstract
Embodiments of golf club heads with optimized characteristics presented herein. Other examples and related methods are also disclosed herein.
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Citations
20 Claims
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1. A golf club head comprising:
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a head body comprising; a head front portion;
a head rear portion;a head heel portion;
a head toe portion;a head sole portion;
a head top portion; anda hosel structure having a bore for receiving a golf club shaft, the bore having a hosel axis; a strikeface at the head front portion and comprising a face height and a strikeface centerpoint, the face height being between 33 mm and 71 mm and the strikeface centerpoint positioned at a midpoint of the face height; a head volume measured in cc'"'"'s and comprising a head volume magnitude greater than 420 cc; a head center of gravity; and an optimization characteristic; wherein; when the golf club head is at an address position over a ground plane; a head vertical axis extends through the head center of gravity and is orthogonal to the ground plane; and a head horizontal axis extends through the head center of gravity, and is orthogonal to the head vertical axis; a loft plane of the golf club head is tangent to the strikeface centerpoint; a front plane of the golf club head extends through the strikeface centerpoint, parallel to the hosel axis, and orthogonal to the ground plane; a head depth plane extends through the strikeface centerpoint, parallel to the head horizontal axis and perpendicular to the loft plane; a CG height axis extends through the head center of gravity and intersects the head depth plane perpendicularly at a first intersection point; a head CG height of the head center of gravity is measured, along the CG height axis, between the head center of gravity and the first intersection point; a head CG depth of the head center of gravity is measured, parallel to the ground plane and orthogonal to the front plane, between; a second intersection point located at an intersection between the front plane and the ground plane; and a third intersection point located at an intersection between the head vertical axis and the ground plane; the head CG height is approximately 0 mm to approximately 5.08 mm and the head CG depth is approximately 25 mm to approximately 102 mm; the optimization characteristic is defined by (a) the head volume magnitude added to (b) a ratio between the head CG depth divided by an absolute value of the head CG height; and the optimization characteristic is greater than or equal to 425 cc; the head body comprises a weight structure located towards the head sole portion and the head rear portion; a clock grid comprises at least; a 12 o'"'"'clock ray; a 3 o'"'"'clock ray; a 4 o'"'"'clock ray; a 5 o'"'"'clock ray; a 8 o'"'"'clock ray; and a 9 o'"'"'clock ray; when the golf club head is at the address position over the ground plane, from a bottom view of the golf club head, the 12 o'"'"'clock ray is aligned with the strikeface centerpoint and orthogonal to a front intersection line between the loft plane and the ground plane; the clock grid is centered along the 12 o'"'"'clock ray, at a midpoint between a front end of the head front portion and a rear end of the head rear portion; the 3 o'"'"'clock ray extends towards the head heel portion; the 9 o'"'"'clock ray extends towards the head toe portion; a perimeter of the weight structure is bounded between the 4 o'"'"'clock ray and the 9 o'"'"'clock ray; and a center of gravity of the weight structure is located between the 5 o'"'"'clock ray and the 8 o'"'"'clock ray. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. A golf club head comprising:
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a head body comprising; a head front portion;
a head rear portion;a head heel portion;
a head toe portion;a head sole portion;
a head top portion; anda hosel structure having a bore for receiving a golf club shaft, the bore having a hosel axis; a strikeface at the head front portion and comprising a face height and a strikeface centerpoint, the face height being between 33 mm and 71 mm and the strikeface centerpoint positioned at a midpoint of the face height; a head center of gravity; a head volume measured in cc'"'"'s and comprising a head volume magnitude greater than 420 cc; and an optimization characteristic; wherein; when the golf club head is at an address position over a ground plane; a head vertical axis extends through the head center of gravity and is orthogonal to the ground plane; and a head horizontal axis extends through the head center of gravity, and is orthogonal to the head vertical axis; a loft plane of the golf club head is tangent to the strikeface centerpoint; a front plane of the golf club head extends through the strikeface centerpoint, parallel to the hosel axis, and orthogonal to the ground plane; a head depth plane extends through the strikeface centerpoint, parallel to the head horizontal axis and perpendicular to the loft plane; a CG height axis extends through the head center of gravity and intersects the head depth plane perpendicularly at a first intersection point; a head CG height of the head center of gravity is measured, along the CG height axis, between the head center of gravity and the first intersection point; a head CG depth of the head center of gravity is measured, parallel to the ground plane and orthogonal to the front plane, between; a second intersection point located at an intersection between the front plane and the ground plane; and a third intersection point located at an intersection between the head vertical axis and the ground plane; the optimization characteristic is defined by (a) the head volume magnitude added to (b) a ratio between the head CG depth divided by an absolute value of the head CG height; and an absolute value of the head CG height is less than or equal to 2.54 mm; the head CG depth is greater than or equal to 40.64 mm; and the optimization characteristic is greater than or equal to 425 cc; the head body comprises a weight structure located towards the head sole portion and the head rear portion; a clock grid comprises at least; a 12 o'"'"'clock ray; a 3 o'"'"'clock ray; a 4 o'"'"'clock ray; a 5 o'"'"'clock ray; a 8 o'"'"'clock ray; and a 9 o'"'"'clock ray; when the golf club head is at the address position over the ground plane, from a bottom view of the golf club head, the 12 o'"'"'clock ray is aligned with the strikeface centerpoint and orthogonal to a front intersection line between the loft plane and the ground plane; the clock grid is centered along the 12 o'"'"'clock ray, at a midpoint between a front end of the head front portion and a rear end of the head rear portion; the 3 o'"'"'clock ray extends towards the head heel portion; the 9 o'"'"'clock ray extends towards the head toe portion; a perimeter of the weight structure is bounded between the 4 o'"'"'clock ray and the 9 o'"'"'clock ray; and a center of gravity of the weight structure is located between the 5 o'"'"'clock ray and the 8 o'"'"'clock ray. - View Dependent Claims (17)
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18. A method for providing a golf club head, the method comprising:
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providing a head body comprising; a head front portion;
a head rear portion;a head heel portion;
a head toe portion;a head sole portion;
a head top portion; anda hosel structure having a bore for receiving a golf club shaft, the bore having a hosel axis; coupling a strikeface at the head front portion; and establishing an optimization characteristic of the golf club head; wherein; the strikeface comprises a face height and a strikeface centerpoint, the face height being between 33 mm and 71 mm and the strikeface centerpoint positioned at a midpoint of the face height; a head volume of the golf club head is measured in cc'"'"'s and comprises a head volume magnitude greater than 420 cc; when the golf club head is at an address position over a ground plane; a head vertical axis extends through a head center of gravity and is orthogonal to the ground plane; and a head horizontal axis extends through the head center of gravity, and is orthogonal to the head vertical axis; a loft plane of the golf club head is tangent to the strikeface centerpoint; a front plane of the golf club head extends through the strikeface centerpoint, parallel to the hosel axis, and orthogonal to the ground plane; a head depth plane extends through the strikeface centerpoint, parallel to the head horizontal axis and perpendicular to the loft plane; a CG height axis extends through the head center of gravity and intersects the head depth plane perpendicularly at a first intersection point; a head CG height of the head center of gravity is measured, along the CG height axis, between the head center of gravity and the first intersection point; a head CG depth of the head center of gravity is measured, parallel to the ground plane and orthogonal to the front plane, between; a second intersection point located at an intersection between the front plane and the ground plane; and a third intersection point located at an intersection between the head vertical axis and the ground plane; the optimization characteristic is established by (a) the head volume magnitude added to (b) a ratio between the head CG depth divided by an absolute value of the head CG height; and the optimization characteristic is greater than or equal to 425 cc; the head CG height is approximately 0 mm to approximately 5.08 mm and the head CG depth is approximately 25 mm to approximately 102 mm; the head body comprises a weight structure located towards the head sole portion and the head rear portion; a clock grid comprises at least; a 12 o'"'"'clock ray; a 3 o'"'"'clock ray; a 4 o'"'"'clock ray; a 5 o'"'"'clock ray; a 8 o'"'"'clock ray; and a 9 o'"'"'clock ray; when the golf club head is at the address position over the ground plane, from a bottom view of the golf club head, the 12 o'"'"'clock ray is aligned with the strikeface centerpoint and orthogonal to a front intersection line between the loft plane and the ground plane; the clock grid is centered along the 12 o'"'"'clock ray, at a midpoint between a front end of the head front portion and a rear end of the head rear portion; the 3 o'"'"'clock ray extends towards the head heel portion; the 9 o'"'"'clock ray extends towards the head toe portion; a perimeter of the weight structure is bounded between the 4 o'"'"'clock ray and the 9 o'"'"'clock ray; and a center of gravity of the weight structure is located between the 5 o'"'"'clock ray and the 8 o'"'"'clock ray. - View Dependent Claims (19, 20)
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Specification