Dual diaphragm game call having ruggedized diaphragm mountings a

Details Dual diaphragm game call having ruggedized diaphragm mountings a Dual diaphragm game call having ruggedized diaphragm mountings a

1998-07-06

2000-05-16

Ricci, John A.

Amusement devices: toys

Operated by relatively moving fluid or pressure differential

Including variable-size fluid chamber to move fluid

446207, 446209, A63H 500

Patent

active

060629401

ABSTRACT:
A dual diaphragm hand-held game call having a sound chamber therein with a diaphragm at each end wherein the diaphragms each include a latex diaphragm sandwiched between relatively rigid opposing plates with the opposing plates having sonic energy focussing teeth on at least one of the plates.

REFERENCES:
patent: 4048750 (1977-09-01), Wolfe
patent: 4799913 (1989-01-01), Wolfe
patent: 4950198 (1990-08-01), Repko
patent: 5549498 (1996-08-01), Kirby
patent: 5803785 (1998-09-01), Primos et al.
patent: 5885125 (1999-03-01), Primos

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