Golf ball with elevated dimple portions

Details Golf ball with elevated dimple portions Golf ball with elevated dimple portions

1998-10-30

2000-10-31

Chapman, Jeanette

Games using tangible projectile

Golf

Ball

473383, 473377, A63B 3714

Patent

active

061394483

ABSTRACT:
A new dimple configuration for the surface of a golf ball is characterized by a portion extending above the surface of the ball. Each dimple includes an annular portion having an inner diameter and an outer diameter, and a circular portion having a diameter corresponding with the annular portion inner diameter. Either, the annular portion of the circular portion is convex and elevated relative to the ball surface with the other portion being concave and extending below the ball surface. When a struck ball travels through the air, the elevated portions trip air at the ball surface to improve the flight characteristics of the ball.

REFERENCES:
patent: 922773 (1909-05-01), Kempshall
patent: 1418220 (1922-05-01), White
patent: 4787638 (1988-11-01), Kobayashi
patent: 5916044 (1999-06-01), Shimosaka et al.

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