Football having raised ribs

Details Football having raised ribs Football having raised ribs

1991-07-24

1992-07-28

Marlo, George J.

Amusement devices: games

Aerial projectile game; game element or accessory therefor...

Target

273 65EG, 273 58K, A63B 4302

Patent

active

051335506

ABSTRACT:
A football-shaped game ball is formed of a resilient foam material and defines an oblate spheroidal outer surface having generally pointed ends. A plurality of rib portions extend outwardly from the outer surface and define nonsymmetrical cross-sections. In the preferred embodiment shown, the rib portions define generally saw-tooth shaped cross-sections which may be gripped in either of two gripping manners and which provide differing alternative aerodynamic characteristics depending upon the direction of spin imposed upon the football.

REFERENCES:
patent: 4919422 (1990-04-01), Ma

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