Whistling disk

Amusement devices: toys – Rotating or having visible rotating portion – Having attached cord for imparting rotation

Patent

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Details

446247, A63H 132

Patent

active

061203424

ABSTRACT:
A sounding toy has a sounding member body that defines a plurality of circumferentially spaced internal cavities (12), each of which is enclosed except for a side opening (10) communicating therewith. A pair of flexible cords (30) extend axially through a center portion of the body (2). The cavities (12) and side openings (10) are configured to produce a whistling sound when the sounding member (2) is caused to rotate by winding and then tightening the cords (30). The geometry of the body (2) is chosen to force air into the cavities (12) when the body (2) is rotating in either direction about its axis.

REFERENCES:
patent: 509044 (1893-11-01), McCall
patent: 517926 (1894-04-01), Kline
patent: 773072 (1904-10-01), Griffin
patent: 905684 (1908-12-01), Fowle
patent: 1440053 (1922-12-01), Brett
patent: 1668410 (1928-05-01), Keranen
patent: 3010248 (1961-11-01), Ellman et al.
patent: 3131506 (1964-05-01), Fox
patent: 4189862 (1980-02-01), Lopez
patent: 4297809 (1981-11-01), Branson

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