Sound making movable toy

Details Sound making movable toy Sound making movable toy

1977-01-25

1978-06-13

Mancene, Louis G.

A63H 500

Patent

active

040940942

ABSTRACT:
A sound making movable toy which is provided with a sound making device and driving wheels driven by a driving power source, the sound making device comprising: a blowing chamber having a fan and a sounding aperture; a main resonance chamber communicating with the sounding aperture; a resonance control chamber communicating with the main resonance chamber; a piston reciprocating within the resonance control chamber; and a crank mechanism to move the piston; thereby the sounds of various pitches being produced by changing the resonant volume of a resonance space defined by the main resonance chamber and the resonance control chamber with the reciprocating motion of the piston.

REFERENCES:
patent: 3517456 (1970-06-01), Reder et al.
patent: 3839822 (1974-10-01), Rexford

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