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US 5,495,820 AGranted
Whistle with tone changing rotator
AssigneeSeron Manufacturing Company
InventorSuren V. Seron
Life of this patent
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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.
Claims13
A whistle comprising:
- a whistle body including a resonating chamber and a mouth piece connected thereto, said mouth piece having a duct extending to said chamber so that air under pressure may be introduced into said chamber, and a sounding aperture in said body and extending to said chamber;
- a plurality of tone altering apertures in said body and extending to said chamber;
- and
- a closure movably mounted on said body and movable between positions closing one, some and all of said tone altering apertures, said closure not blocking said sounding aperture when said closure is in any one of said positions;
- whereby the tone of said whistle may be selectively altered by selectively positioning said closure in a desired one of said positions.
2 more elements
Dependencies are inferred from the claim text.