Plastic whistle

Details Plastic whistle Plastic whistle

1981-01-07

1982-11-23

Kazenske, Edward R.

Signals and indicators

Horns, whistles and compressional wave generators

46179, B06B 300

Patent

active

043599613

ABSTRACT:
A plastic whistle including a main whistle body provided with a relatively narrow, elongated throat terminating at one end in a mouthpiece opening and at its other end, in an enlarged sound chamber. The throat and the chamber are open along a common side of the body. An orifice is located in the body and opens to the chamber and is disposed in the side of the body adjacent the common side mentioned above. A closure is provided for the common side and has a peripheral size and shape substantially the same as the periphery of the common side and mounts a tab extending partially into the throat so as to have opposite sides of the tab in abutment with opposed parts of the body at the mouthpiece opening to thereby support the body against an external clamping force applied by the teeth of a user of the whistle to prevent fracture of the throat.

REFERENCES:
patent: 2113396 (1938-04-01), Butterfield
patent: 2958307 (1960-11-01), Best
patent: 4171677 (1979-10-01), Hibell

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