Sound producing ball

Details Sound producing ball Sound producing ball

1994-07-18

1995-12-19

Hafer, Robert A.

Amusement devices: toys

Sounding

Percussion

446409, 273 58E, 273 58F, A63H 500

Patent

active

054764084

ABSTRACT:
A sound producing ball includes concentric inner and outer ball elements and a plurality of sound producing particles in an open area therebetween. The sound producing particles are dimensioned to travel in the open area when the ball is rotated, and the inner ball element has a plurality of projections thereon for redirecting the sound producing particles as they travel in the open area. The sounds produced by the sound particles as they strike the inner and outer ball elements are generally similar to the sound of rain striking a building roof.

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patent: 4645471 (1987-02-01), Herring et al.
patent: 4822044 (1989-04-01), Perkitny
patent: 4897069 (1990-01-01), Overturf
patent: 5237903 (1993-08-01), Bein et al.
patent: 5351650 (1994-10-01), Graves

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