Golf ball having densely arranged dimples

Details Golf ball having densely arranged dimples Golf ball having densely arranged dimples

1996-05-17

1998-02-24

Marlo, George J.

Games using tangible projectile

Golf

Ball

A63B 3712

Patent

active

057206759

ABSTRACT:
A golf ball having a plurality of dimples formed in its surface and a diameter of 43 to 45 mm, wherein when a phantom great circle is depicted on the ball surface to divide the ball into two hemispheres and one hemisphere is developed by Lambert conformal projection to depict a planar expansion chart, the dimples are arranged to with respect to the planar expansion chart so as to meet the requirement (I) that when the planar expansion chart has a center 0, two large and small regular triangles AABC and Aabc centered at 0 are depicted on the chart with corresponding two apexes aligned with an identical radial line from center 0, and the respective sides of the small regular triangle Aabc are extended to intersect with the sides of the large regular triangle AABC to define one regular triangle coincident with the small regular triangle Aabc, three trapezoids, and three parallelograms, six dimples are contained in the one small regular triangle, nine dimples are contained in each of the trapezoids, and four dimples are contained in each of the parallelograms, with the proviso that where a dimple extends over any two or more of the small regular triangle, trapezoids and parallelograms, the dimple is regarded to belong to the region where at least 80% of the dimple area lies.

REFERENCES:
patent: 5527043 (1996-06-01), Shimosaka

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