Wildlife call

Details Wildlife call Wildlife call

1986-07-03

1988-08-16

Hafer, Robert A.

Amusement devices: toys

Operated by relatively moving fluid or pressure differential

Including mouthpiece for blowing or sucking

446202, 84330, A63H 3340, A63H 500, G01D 700

Patent

active

047641452

ABSTRACT:
A wildlife call including a hollow tube having an open sound-escape end and an opposite open mouthpiece includes a resonating membrane associated with the mouthpiece which is arranged in a planar condition and oriented at an acute angle to the longitudinal axis of the mouthpiece. For support of the membrane in such an arrangement, the mouthpiece includes a head portion which protrudes axially of the tube and opposite the sound-escape end and which defines a continuous edge that bounds a substantial portion of the opening of the mouthpiece when the mouthpiece is viewed axially and theretoward. The mouthpiece further includes an end wall covering a substantial portion of the mouthpiece opening not covered by the continuous edge, arranged generally within a radial plane of the tube, and defining a substantially free edge extending across the mouthpiece. The resonating membrane is thus arranged angularly to the plane of the end wall. The resonating membrane is secured to the tube in a planar condition across the continuous edge so as to span a major section of the portion of the mouthpiece opening bounded by the continuous edge and so as to define a free edge extending across the mouthpiece from about one end of the continuous edge to the other. The free edge of the membrane and the free edge of the end wall cooperate with one another to define opposing sides of an opening for the call.

REFERENCES:
patent: 752447 (1904-02-01), Gebert
patent: 888311 (1908-05-01), Converse
patent: 1353864 (1920-09-01), Thomassian
patent: 2256925 (1941-09-01), McCoy
patent: 2296786 (1942-09-01), Hoeflich
patent: 2590743 (1952-03-01), Wintriss
patent: 2969611 (1961-01-01), Warren, Jr.
patent: 3583094 (1971-06-01), Tribell
patent: 3722133 (1973-03-01), Morgan
patent: 4483097 (1984-11-01), Piper

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