Game call having a two-diaphragm sounder and lip structure

Details Game call having a two-diaphragm sounder and lip structure Game call having a two-diaphragm sounder and lip structure

1987-05-29

1989-01-24

Hafer, Robert A.

Amusement devices: toys

Operated by relatively moving fluid or pressure differential

Including variable-size fluid chamber to move fluid

446203, 446213, 84330, A63H 500

Patent

active

047999136

ABSTRACT:
A hand-operated game call having a sound chamber, a handle including a horn at one end of the chamber, a bellows at the other end of the chamber and openings in both chamber ends; the chamber including a diaphragm normally closing each chamber, each diaphragm having a normally taut edge engaging an opening chord edge, the chord edge including a lip on the outside of the wall for preventing the diaphragm from overlapping the wall during vibration.

REFERENCES:
patent: 677113 (1901-06-01), Bruce
patent: 2969611 (1961-01-01), Warren
patent: 3811221 (1974-05-01), Wilt
patent: 3815283 (1974-06-01), Piper
patent: 3900993 (1975-08-01), Betters
patent: 3968592 (1976-07-01), Piper
patent: 4048750 (1977-09-01), Wolfe
patent: 4576584 (1986-03-01), Hill

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