Golf club heads with optimized characteristics and related methods
First Claim
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1. A golf club head comprising:
- a head body comprisinga 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 face portion at the head front portion and comprising;
a strikeface centerpoint;
a strikeface perimeter; and
a face height bounded by the strikeface perimeter, the strikeface centerpoint postioned at a midpoint of the face height;
a head center of gravity; and
at least one of;
a first optimization characteristic;
ora second 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 depth is approximately 25 mm to approximately 102 mm;
the face height is approximately 33 mm to approximately 71 mm, measured parallel to the loft plane;
the first optimization characteristic comprises;
an absolute value of the head CG height being less than or equal to approximately 5.08 mm; and
the second optimization characteristic comprises;
a CG performance ratio of less than or equal to 0.56, as defined by (a) 76.2 mm minus the face height, divided by (b) the head CG depth;
the head body comprises a weight structure located towards the sole portion and the rear portion of the head body, wherein the weight structure protrudes at least partially from an external contour of the head sole 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;
an 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; and
a center of gravity of the weight structure is located between the 5 o'"'"'clock ray and the 8 o'"'"'clock ray.
1 Assignment
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Accused Products
Abstract
Embodiments of golf club heads comprising a head interior and a hosel structure, the head interior bounded by a head front portion, a head rear portion, a head heel portion, a head toe portion, a head top portion, and a head sole portion, the golf club heads further comprising various optimized characteristics, are 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 face portion at the head front portion and comprising; a strikeface centerpoint; a strikeface perimeter; and a face height bounded by the strikeface perimeter, the strikeface centerpoint postioned at a midpoint of the face height; a head center of gravity; and at least one of; a first optimization characteristic;
ora second 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 depth is approximately 25 mm to approximately 102 mm; the face height is approximately 33 mm to approximately 71 mm, measured parallel to the loft plane; the first optimization characteristic comprises; an absolute value of the head CG height being less than or equal to approximately 5.08 mm; and the second optimization characteristic comprises; a CG performance ratio of less than or equal to 0.56, as defined by (a) 76.2 mm minus the face height, divided by (b) the head CG depth; the head body comprises a weight structure located towards the sole portion and the rear portion of the head body, wherein the weight structure protrudes at least partially from an external contour of the head sole 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; an 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; 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 face portion coupled to the head front portion and comprising a strikeface, the strikeface comprising; a strikeface centerpoint; a strikeface perimeter; and a face height, the strikeface centerpoint positioned at a midpoint of the face height; and a head center of gravity; 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 face height is approximately 33 mm to approximately 71 mm, as delimited by the strikeface perimeter and measured parallel to the loft plane; a first optimization characteristic comprises; an absolute value of the head CG height being less than or equal to approximately 5.08mm; a second optimization characteristic comprises; a CG performance ratio between (a) 76.2 mm minus the face height, and (b) the head CG depth, is less than or equal to 0.56; the head body comprises a driver-type body; a head volume of the golf club head is approximately 420 cc to approximately 470 cc; a head weight of the golf club head is approximately 185 grams to approximately 225 grams, the head CG depth is approximately 25 mm to approximately 102 mm; the head body comprises a weight structure located towards the sole portion and the rear portion of the head body, wherein the weight structure protrudes at least partially from an external contour of the head sole 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; an 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; 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, 18)
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19. 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 face portion to the head front portion, the face portion comprising a strikeface having; a strikeface centerpoint; a strikeface perimeter; and a face height bounded by the strikeface perimeter, the strikeface centerpoint positioned at a midpoint of the face height; and establishing at least one of; a first optimization characteristic of the golf club head;
ora second optimization characteristic of the golf club head; 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 of the golf club head 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 face height is approximately 33 mm to approximately 71 mm, measured parallel to the loft plane; the head CG depth is approximately 25 mm to approximately 102 mm; the head CG height is approximately 0 mm to approximately 5.08 mm; the first optimization characteristic comprises; an absolute value of the head CG height being less than or equal to approximately 5.08 mm; and the second optimization characteristic comprises; a CG performance ratio of less than or equal to 0.56, as defined by (a) 76.2 mm minus the face height, divided by (b) the head CG depth; the head body comprises a weight structure located towards the sole portion and the rear portion of the head body, wherein the weight structure protrudes at least partially from an external contour of the head sole 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; 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 (20)
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Specification