GOLF BALL

摘要

Golf balls including at least one modified dimple group are disclosed. The modified dimple group comprises one or more modified dimples forming an axially symmetric pattern about a Correction Area Centroid located on an axis of symmetry at a latitude greater than 0°, where 0° represents the hemispherical pole and 90° represents the equator. The modified dimples can be altered, for example, by changing dimple coverage, dimple diameter, dimple depth, dimple edge angle, dimple volume, dimple cross-sectional shape, and/or dimple plan shape. Optionally, the dimples have a catenary cross-sectional shape and the modified dimples are altered by changing the shape factor and/or chord depth. Such modifications preferably produce a golf ball that flies more consistently regardless of orientation when struck than a corresponding golf ball without such modifications.

主权项

1. A golf ball having dimples on the outermost surface thereof, wherein the dimples consist of:
a majority of unmodified dimples having the same edge angle, and a plurality of modified dimples having an edge angle that is from 1° to 4° different than the edge angle of the unmodified dimples; wherein the modified dimples are arranged in a plurality of modified dimple groups, each group forming an axially symmetric pattern about a different geometric center located on a non-polar axis of the ball; wherein the axially symmetric patterns formed by the modified dimple groups include at least two different patterns; and wherein the golf ball consists of four quarter-spheres, each quarter-sphere comprising at least two modified dimple groups.