Baseball bat

Details Baseball bat Baseball bat

1995-08-08

1997-01-07

Brown, Theatrice

Games using tangible projectile

Playing field or court game; game element or accessory...

Practice or training device

473451, 473571, A63B 5906

Patent

active

055908756

ABSTRACT:
The invention relates to baseball equipment, and more particularly to a baseball bat and a baseball which are provided with an audible signal generating element. A hollow tube is positioned in the baseball bat and in the baseball, the hollow tube receiving a sliding element which moves between opposite ends of the tube as the baseball bat and baseball move through the air. A spring mounted in each of the opposite ends of the tube facilitates movement of the sliding element inside the tube as it bounces off the springs. When air is admitted into the hollow tube through a fittingly engaged plug, the audible signal is enhanced.

REFERENCES:
patent: 3137504 (1964-06-01), Zordan
patent: 3215437 (1965-11-01), Webb
patent: 3498616 (1970-03-01), Hurst
patent: 4274631 (1981-06-01), Hayazaki
patent: 4635935 (1987-01-01), Kane
patent: 4898368 (1990-02-01), Anderson
patent: 4953868 (1990-09-01), Thompson
patent: 4969921 (1990-11-01), Silvera
patent: 5082283 (1992-01-01), Conley
patent: 5133551 (1992-07-01), Handy

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