Golf ball dimple

Details Golf ball dimple Golf ball dimple

1998-12-10

2000-12-19

Passaniti, Sebastiano

Games using tangible projectile

Golf

Ball

473384, A63B 3714

Patent

active

061621366

ABSTRACT:
In accordance with the present invention, a golf ball includes an outer surface and a plurality of dimples formed thereon. At least one of the dimples is a concentric ring dimple. Each concentric ring dimple includes a central depression, and at least one annular depression that concentrically surrounds the central depression. A land ring extends between the central depression and the annular depression. When the concentric ring dimple includes additional annular depressions, land rings extend between the adjacent annular depressions. The concentric ring dimples provide additional dimple circumference over conventional dimples that occupy the same space, thereby improving the aerodynamic performance of the golf ball.

REFERENCES:
patent: D319481 (1991-08-01), Shaw
patent: D355943 (1995-02-01), Cadorniga
patent: 922773 (1909-05-01), Kempshall
patent: 1666699 (1928-04-01), Hagen
patent: 1681167 (1928-08-01), Beldam
patent: 1716435 (1929-06-01), Fotheringham
patent: 2135210 (1938-11-01), Farrar
patent: 4787638 (1988-11-01), Kobayashi
patent: 5377989 (1995-01-01), Machin
patent: 5470076 (1995-11-01), Cadorniga
patent: 5536013 (1996-07-01), Pocklington
patent: 5735757 (1998-04-01), Moriyama
patent: 5957787 (1999-09-01), Hwang
Olman et al., Golf Antiques & Other Treasures of The Game, 1992, cover page and p. 95, p. 96, and p. 99.

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