Performance game ball

Details Performance game ball Performance game ball

1992-07-08

1994-01-25

Millin, Vincent

Amusement devices: games

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

Target

273 58K, 273DIG20, A63B 3908

Patent

active

052809064

ABSTRACT:
A game ball for throwing has a top hemisphere (12) provided with a plurality of apertures (16) which attract air into a hollow spherical shell (10). The bottom hemisphere (14) is of an imperforate nature, and is provided with a plurality of air channels (20) positioned parallel to and subsequently away from an equatorial line (22). When projected along the plane of the equatorial line (22), the ball will deviate from a normal trajectory in the direction of the axis of the bottom hemisphere (26).

REFERENCES:
patent: 922773 (1909-05-01), Kempshall
patent: 1150761 (1915-08-01), Hartman
patent: 2135210 (1938-11-01), Farrar
patent: 2776139 (1957-01-01), Blamey
patent: 4128238 (1978-12-01), Newcomb
patent: 4184682 (1980-01-01), Collins
patent: 4871169 (1989-10-01), Autorino
patent: 4874169 (1989-10-01), Litchfield
patent: 4887814 (1989-12-01), Winter
patent: 4919422 (1990-04-01), Ma
patent: 4930776 (1990-06-01), Newcomb et al.
patent: 5033743 (1991-07-01), Wright
patent: 5158284 (1992-10-01), Vogl

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