Comba ball with magnus effect

Details Comba ball with magnus effect Comba ball with magnus effect

2011-05-03

2011-05-03

Wong, Steven (Department: 3711)

Games using tangible projectile

Projectile, per se; part thereof or accessory therefor

Having hollow core or bladder enclosed within cover

C473S607000, C473S599000

Reexamination Certificate

active

07935013

ABSTRACT:
This invention refers to the structure for a ball or ball cover that comprises a plurality of interconnected panels comprising first and second groups of panels which combined form a sphere. The first group of panels define at least two different surface areas of the ball or ball cover disposed at polar extremes on the surface of the sphere and the second group of panels define an area of the surface in the form of a ring, with at least three undulations and disposed in the equatorial zone of the surface of the ball or ball cover, creating a separation between the polar extremes defined by the first group of panels; whereby the width of the ring is modified to improve the sphericity of the ball or ball cover and obtaining a ball of a selected measurement (C).

REFERENCES:
patent: 1299092 (1919-04-01), Abrahamson
patent: 2819753 (1958-01-01), Nogue
patent: 3887183 (1975-06-01), Saso
patent: 5681233 (1997-10-01), Guenther et al.
patent: 5820501 (1998-10-01), Soofi
patent: 5865697 (1999-02-01), Molitor et al.
patent: 6916263 (2005-07-01), Pacheco
patent: 7462119 (2008-12-01), Kelly

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