US2025319363A1PendingUtilityA1
Golf club head
Est. expiryJan 31, 2042(~15.5 yrs left)· nominal 20-yr term from priority
A63B 53/0462A63B 2053/0491A63B 53/0466A63B 53/0458A63B 53/0437A63B 53/0433A63B 53/0412A63B 53/0408
68
PatentIndex Score
0
Cited by
0
References
0
Claims
Abstract
A golf club head formed of an alloy of steel that is capable of improving the center of gravity (CG) location while maintaining traditional external dimensions of the golf club head. More specifically, the golf club head in accordance with the present invention achieves a relatively low CG while maintaining traditional external dimensions by reducing the amount of mass contributed by the crown, the striking face, and the hosel, and strategically reallocating this mass within and/or proximate the sole of the golf club head.
Claims
exact text as granted — not AI-modifiedWhat is claimed is:
1 . A golf club head comprising:
a striking face, having a face center, a crown, a sole opposite said crown, a heel, a toe opposite said heel, and a hosel adjacent said heel and configured to join said golf club head to a shaft, wherein said striking face further comprises;
a variable face thickness profile having a substantially planar front surface and a non-planar rear surface, and
a sole return located at a bottom of said striking face,
wherein an X-axis is defined as a horizontal axis tangent to said face center of said striking face with a positive direction towards said heel of said golf club head, a Y-axis is a vertical axis orthogonal to said X-axis with a positive direction towards said crown of said golf club head, and a Z-axis being orthogonal to both said X-axis and said Y-axis with a positive direction towards a front of said golf club head, wherein an origin of said X-axis, said Y-axis, and said Z-axis is centered at a center of gravity (CG) of said golf club head, wherein said sole return further comprises a gutter,
wherein a central thinnest portion of said gutter defines an intermediary thickness,
wherein said sole return has an initial frontal thickness that is greater than an intermediary thickness, and wherein said sole return has a terminal thickness is greater than an intermediary thickness.
2 . The golf club head of claim 1 , wherein said striking face has a Max Face Thickness to Sole Return Thickness Ratio of between about 2.90 to about 3.20, said Max Face Thickness to Sole Return Thickness Ration defined as:
Max
Face
Thickness
to
Sole
Return
Thickness
Ratio
=
Max
Face
Thickness
(
T
f
1
)
Sole
Return
Thickness
(
T
6
)
.
3 . The golf club head of claim 2 , wherein said Max Face Thickness to Sole Return Thickness Ratio is between about 3.00 to about 3.10.
4 . The golf club head of claim 3 , wherein said Max Face Thickness to Sole Return Thickness Ratio is about 3.14.
5 . The golf club head of claim 1 , wherein said sole return has a Sole Return Distance to Thickness Ratio of between about 11 to about 15, said Sole Return Distance to Thickness Ratio defined as:
Sole
Return
Distance
to
Thickness
Ratio
=
Sole
Return
Distance
(
D
R
)
Sole
Return
Thickness
(
T
6
)
.
6 . The golf club head of claim 5 , wherein said Sole Return Distance to Thickness Ratio is between about 12 to about 14.
7 . The golf club head of claim 6 , wherein said Sole Return Distance to Thickness Ratio is about 13.
8 . The golf club head of claim 1 , wherein said terminal thickness is greater than said initial frontal thickness.
9 . The golf club head of claim 1 , said gutter further comprises
said central thinnest portion, located around the center of said gutter, a perimeter portion, located around an outer perimeter of said gutter, and a transition portion having a variable thickness, juxtaposed between said central thinnest portion and said perimeter portion.
10 . The golf club head of claim 9 , wherein said central thinnest portion has a thickness of less than about 0.80 mm.
11 . The golf club head of claim 10 , wherein said central thinnest portion has a thickness of less than about 0.75 mm.
12 . The golf club head of claim 11 , where said central thinnest portion has a thickness of less than about 0.72 mm.
13 . A golf club head comprising:
a striking face, having a face center, a crown, a sole opposite said crown, a heel, a toe opposite said heel, and a hosel adjacent said heel and configured to join said golf club head to a shaft, wherein said striking face further comprises;
a variable face thickness profile having a substantially planar front surface and a non-planar rear surface, and
a sole return located at a bottom of said striking face,
wherein an X-axis is defined as a horizontal axis tangent to said face center of said striking face with a positive direction towards said heel of said golf club head, a Y-axis is a vertical axis orthogonal to said X-axis with a positive direction towards said crown of said golf club head, and a Z-axis being orthogonal to both said X-axis and said Y-axis with a positive direction towards a front of said golf club head, wherein an origin of said X-axis, said Y-axis, and said Z-axis is centered at a center of gravity (CG) of said golf club head, wherein said sole return further comprises a gutter, said gutter further comprises;
a central thinnest portion, located around the center of said gutter,
a perimeter portion, located around an outer perimeter of said gutter, and
a transition portion having a variable thickness, juxtaposed between said central thinnest portion and said perimeter portion.
14 . The golf club head of claim 13 , wherein said central thinnest portion has a thickness of less than about 0.80 mm.
15 . The golf club head of claim 14 , wherein said central thinnest portion has a thickness of less than about 0.75 mm.
16 . The golf club head of claim 15 , wherein said central thinnest portion has a thickness of less than about 0.72 mm.
17 . The golf club head of claim 13 , wherein said sole return has a Sole Return Distance to Thickness Ratio of between about 11 to about 15, said Sole Return Distance to Thickness Ratio defined as:
Sole
Return
Distance
to
Thickness
Ratio
=
Sole
Return
Distance
(
D
R
)
Sole
Return
Thickness
(
T
6
)
.
18 . The golf club head of claim 17 , wherein said Sole Return Distance to Thickness Ratio is between about 12 to about 14.
19 . The golf club head of claim 18 , wherein said Sole Return Distance to Thickness Ratio is about 13.
20 . A golf club head comprising:
a striking face, having a face center, a crown, a sole opposite said crown, a heel, a toe opposite said heel, and a hosel adjacent said heel and configured to join said golf club head to a shaft, wherein said striking face further comprises;
a variable face thickness profile having a substantially planar front surface and a non-planar rear surface, and
a sole return located at a bottom of said striking face,
wherein an X-axis is defined as a horizontal axis tangent to said face center of said striking face with a positive direction towards said heel of said golf club head, a Y-axis is a vertical axis orthogonal to said X-axis with a positive direction towards said crown of said golf club head, and a Z-axis being orthogonal to both said X-axis and said Y-axis with a positive direction towards a front of said golf club head, wherein an origin of said X-axis, said Y-axis, and said Z-axis is centered at a center of gravity (CG) of said golf club head, wherein said sole return has a Sole Return Distance to Thickness Ratio of between about 11 to about 15, said Sole Return Distance to Thickness Ratio defined as:
Sole
Return
Distance
to
Thickness
Ratio
=
Sole
Return
Distance
(
D
R
)
Sole
Return
Thickness
(
T
6
)
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