Injection molded noise making device

Details Injection molded noise making device Injection molded noise making device

2006-08-29

2006-08-29

Kim, Eugene (Department: 3711)

Amusement devices: toys

Operated by relatively moving fluid or pressure differential

Sounding

C446S397000

Reexamination Certificate

active

07097533

ABSTRACT:
The invention provides a noise-maker having an injection molded single piece body, a membrane and a retaining ring. The injection molded single piece body includes a generally cylindrical central tube and a generally cylindrical pressure tube which defines a pressure chamber. The retaining ring has an inner diameter adapted to fit over the outer surface of the central tube such that the membrane is secured to and stretched across the central tube first end and the pressure tube first end. Sound is created when air or other gas is forced into pressure chamber. The air must pass through the pressure chamber around a pressure tube first end and out the discharge end of central tube. By forcing air into the pressure chamber, membrane vibrates producing a loud sound.

REFERENCES:
patent: 4997402 (1991-03-01), Blease
patent: 5234368 (1993-08-01), Carraway
patent: 6881121 (2005-04-01), Szekely

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