Compound safety ball

Details Compound safety ball Compound safety ball

1998-03-17

2000-01-11

Wong, Steven

Games using tangible projectile

Projectile, per se; part thereof or accessory therefor

Having loose internal element, containing or adapted to...

473604, 473281, 273DIG20, A63B 4100

Patent

active

060129972

ABSTRACT:
A compound ball simulates the performance of a regulation size baseball, softball, and golf ball. It is formed of spherical outer and inner shells dimensioned to abut one another or to provide a spacing between them. The outer shell is formed of molded polymeric material with circular apertures spaced over its surface. The inner shell is gas filled and resiliently rebounds in response to being compressed by the outer shell upon deformation of the outer shell in response to being hit, as by a bat or club. The apertures in the outer shell permit air to pass trough the apertures when the compound ball is in flight. The inner shell provides mass and impact rebound within the outer shell for simulating the action of a regulation ball when thrown, caught, hit or impacts an object. The outer shell may also contain raised dimpling to impart greater aerodynamic drag on the compound ball, further limiting its flight and range, or altering its performance.

REFERENCES:
patent: 3517933 (1970-06-01), Malkin
patent: 3633587 (1972-01-01), Hunt
patent: 3908994 (1975-09-01), Astrom
patent: 4088319 (1978-05-01), Clarke
patent: 4986540 (1991-01-01), Leslie
patent: 4991847 (1991-02-01), Rudell et al.
patent: 5158284 (1992-10-01), Vogl
patent: 5522757 (1996-06-01), Ostrowski

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