US2025235751A1PendingUtilityA1
Dimple patterns for golf balls
Est. expiryNov 20, 2040(~14.3 yrs left)· nominal 20-yr term from priority
A63B 37/0021A63B 37/002A63B 37/0006
79
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Claims
Abstract
Golf balls having a dimple pattern arranged in a tetrahedral layout are disclosed. The dimple pattern has four substantially identical dimple sections, where each dimple section is defined by a spherical triangle. The dimples in each of the four dimple sections have at least three different dimple diameters including a minimum dimple diameter, a maximum dimple diameter, and at least one additional dimple diameter. The resulting dimple pattern has a surface coverage of about 70 percent or less. The reduced surface coverage helps to reduce the flight of the golf balls.
Claims
exact text as granted — not AI-modifiedWhat is claimed is:
1 . A golf ball having a substantially spherical surface, comprising:
a plurality of dimples disposed thereon, wherein the dimples are arranged in a pattern comprising four substantially identical dimple sections, wherein the dimples in each of the four substantially identical dimple sections comprise (i) at least four different dimple diameters and (ii) identical edge angles, wherein the dimples cover about 70 percent or less of the substantially spherical surface and the edge angles (θ μ ) of the dimples are related to the surface coverage according to the following equation:
88.8
(
SC
)
2
-
116.9
(
SC
)
+
47.7
≤
θ
μ
≤
170.
(
SC
)
2
-
242.5
(
SC
)
+
106.6
,
where SC is the surface coverage.
2 . The golf ball of claim 1 , wherein the pattern results in at least three dimple-free great circles on the golf ball.
3 . The golf ball of claim 1 , wherein the minimum difference in diameter between any two dimples within each dimple section is about 0.030 inches or more.
4 . The golf ball of claim 3 , wherein each of the at least four different dimple diameters range from about 0.030 inches to about 0.200 inches.
5 . The golf ball of claim 1 , wherein the pattern is rotationally symmetric about the center of each substantially identical dimple section.
6 . The golf ball of claim 1 , wherein the plurality of dimples comprises less than about 350 dimples.
7 . A golf ball having a substantially spherical surface, comprising:
a plurality of dimples disposed thereon, wherein the dimples are arranged in a pattern comprising four substantially identical dimple sections, wherein the dimples in each of the four substantially identical dimple sections comprise: (i) at least three different dimple diameters ranging from about 0.030 inches to about 0.200 inches, and (ii) identical edge angles, and wherein the dimples cover about 60 percent or less of the substantially spherical surface and the edge angles (θ μ ) of the dimples are related to the surface coverage according to the following equation:
88.8
(
SC
)
2
-
116.9
(
SC
)
+
47.7
≤
θ
μ
≤
170.
(
SC
)
2
-
242.5
(
SC
)
+
106.6
,
where SC is the surface coverage.
8 . The golf ball of claim 7 , wherein the pattern results in three dimple-free great circles on the golf ball.
9 . The golf ball of claim 7 , wherein the maximum difference in diameter between any two dimples within each dimple section is about 0.045 inches or less.
10 . The golf ball of claim 7 , wherein the pattern has three-way rotational symmetry about the center of each substantially identical dimple section.
11 . The golf ball of claim 7 , wherein the plurality of dimples comprises from about 350 dimples to about 500 dimples.
12 . The golf ball of claim 7 , wherein the dimples comprise four or more different dimple diameters.
13 . The golf ball of claim 7 , wherein the difference between any two dimple diameters within each dimple section is about 0.030 inches to about 0.055 inches.
14 . A golf ball having a substantially spherical surface, comprising:
a plurality of dimples disposed thereon, wherein the dimples are arranged in a pattern comprising four substantially identical dimple sections, wherein the dimples in each of the four substantially identical dimple sections comprise (i) four or more different dimple diameters ranging from about 0.050 inches to about 0.180 inches and each dimple diameter differs by more than 0.005 inches, and (ii) identical edge angles, wherein the dimples cover about 50 percent or less of the substantially spherical surface and the edge angles (θ μ ) of the dimples are related to the surface coverage according to the following equation:
88.8
(
SC
)
2
-
116.9
(
SC
)
+
47.7
≤
θ
μ
≤
170.
(
SC
)
2
-
242.5
(
SC
)
+
106.6
,
where SC is the surface coverage.
15 . The golf ball of claim 14 , wherein the pattern results in two dimple-free great circles on the golf ball.
16 . The golf ball of claim 14 , wherein the pattern results in one dimple-free great circle on the golf ball.
17 . The golf ball of claim 14 , wherein the dimples comprise five or more different dimple diameters.
18 . The golf ball of claim 14 , wherein each substantially identical dimple section comprises at least one shared dimple, the shared dimple having a centroid that intersects an edge of the dimple section.
19 . The golf ball of claim 14 , wherein the dimples cover about 30 percent or less of the substantially spherical surface.
20 . The golf ball of claim 14 , wherein the pattern has three-way rotational symmetry about the center of each substantially identical dimple section.Join the waitlist — get patent alerts
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