Whistle with tone changing rotator

Details Whistle with tone changing rotator Whistle with tone changing rotator

1994-10-04

1996-03-05

Cuchlinski, Jr., William A.

Signals and indicators

Horns, whistles and compressional wave generators

116140, 446206, G10K 500, A63H 500

Patent

active

054958202

ABSTRACT:
A whistle including a body (10) having a resonating chamber (28) and a mouth piece (12) connected thereto includes a plurality of tone altering apertures (36) which extend to the chamber (28). A closure (40) is movably mounted on the body (10) between positions closing one, some or all of the tone altering apertures (36) so that the tone of the whistle may be selectively altered by selectively positioning the closure (40) in a desired one of its positions.

REFERENCES:
patent: 2755696 (1956-07-01), Legler
patent: 2915851 (1959-12-01), Ringman
patent: 3327579 (1967-06-01), Brimhall
patent: 5113784 (1992-05-01), Forselius
patent: 5251569 (1993-10-01), Seron
patent: 5287785 (1994-02-01), Miller

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