Amusement devices – Swing
Patent
1993-06-29
1994-07-05
Friedman, Carl D.
Amusement devices
Swing
403400, A63G 900
Patent
active
053263260
ABSTRACT:
A children's swing has an elongated beam with opposite ends and a mid portion providing a seating platform for at least two children. Pivotally attached to the opposite ends of the beam are a pair of rigid rockers, each rocket having an upper end defining hand grips and a lower end defining a foot rest. To use the rocker, the children sit on the beam back with their hands and feet on the hand grips and foot rests of the rockers in front of them. When the children rock the rockers in synchronism, the swing will swing to and fro with ever increasing amplitude due to the inertia of the children's limbs and changes in the included angles between the rockers and the beam.
REFERENCES:
patent: 555981 (1896-03-01), Streeter
patent: 1657243 (1928-01-01), Daniels
patent: 1939223 (1932-07-01), Palmer
patent: 2823002 (1958-02-01), Savitz
patent: 3503582 (1970-03-01), Boucher
patent: 4018538 (1977-04-01), Smyrni et al.
patent: 4961558 (1990-10-01), Cunard
Boudreau Robert J.
Cunard Joel C.
Friedman Carl D.
Hedstrom Corporation
Nguyen Kien
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