Motorized swing

Details Motorized swing Motorized swing

1977-06-13

1979-04-24

Pinkham, Richard C.

Undertaking

A63G 916

Patent

active

041508203

ABSTRACT:
A child's motorized swing includes a frame from which a seat is suspended by spaced-apart hangers pivotally connected to the frame so that the seat and its occupant can swing like a pendulum. A battery operated drive unit mounted on the frame adjacent one of the hangers rotates a small crank situated adjacent the hanger. A resilient, lost motion linkage connected between the hanger and the rotating crank applies reinforcing impulses to the hanger which maintain the weighted seat in oscillation at its natural frequency.

REFERENCES:
patent: 1458049 (1923-06-01), Grieshaber
patent: 2024855 (1935-12-01), Goetter
patent: 2564547 (1951-08-01), Schrougham
patent: 2609031 (1952-09-01), Puscas
patent: 2807309 (1957-09-01), Saint et al.
patent: 3146985 (1954-09-01), Grudoski
patent: 3526400 (1970-09-01), Carpenter et al.
patent: 3573867 (1971-03-01), Mehren

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