Shape association sound-emitting toy

Details Shape association sound-emitting toy Shape association sound-emitting toy

1982-04-14

1984-04-17

Yu, Mickey

Education and demonstration

Physical education

Developing or testing coordination

46178, G09B 106, A63H 500

Patent

active

044432011

ABSTRACT:
A sound-emitting toy has a substantially vertical guide channel with a tight seal at one end, in which is movably supported a piston which confirms peripherally to the cross-sectional shape of the guide channel and has a vent hole which provides a flow connection through the piston. In the flow area of the vent hole is arranged a device which produces a sound upon movement of the piston due to the force of gravity toward the seal and in response to the resulting flow of displaced air. Pistons of dissimilar cross-sectional shapes are to be associated with guide channels having matching cross-sectional shapes by the player.

REFERENCES:
patent: 455671 (1891-07-01), Sellers
patent: 2558237 (1951-06-01), Cohn et al.
patent: 4348191 (1982-09-01), Lipsitz et al.

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