Amusement devices – Swing – Motor operated
Patent
1998-01-29
1998-12-08
Nguyen, Kien T.
Amusement devices
Swing
Motor operated
74 48, A63G 916
Patent
active
058461361
ABSTRACT:
A swing chair includes a frame structure having a rectangular base constituted by four bar members defining two rear corners and two front corners and two standing bar members respectively extending upward from two rear corners and inclining toward the front corners with a space between the two standing bar members. Each of the standing bar members has an axle extending therefrom toward each other in a co-linear manner, the axle having a pendent arms rotatably mounted thereto and extending downward therefrom to define a lower end. A chair is positioned in the space between the two standing bar members and attached to the lower ends of the pendent arms so as to be rotatable or swingable about the axles. One of the standing bar members has a swing drive mechanism fixed to the top end thereof. The drive mechanism includes a motor coupled to the axle of the standing bar member by a worm and worm gear pair. The worm gear has an eccentric pin. The axle has a link member mounted thereto and the link has an elongated slot into which the eccentric pin is movably received so as to convert the rotation of the motor into the reciprocal rotation of the axle which in turn drive the pendent arm to swing.
REFERENCES:
patent: 2564547 (1951-08-01), Schrougham
patent: 3804407 (1974-04-01), Saint
patent: 4165872 (1979-08-01), Saint
patent: 4323233 (1982-04-01), Gebbard
patent: 5083773 (1992-01-01), Saint
patent: 5525113 (1996-06-01), Mitchell et al.
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