Electrically powered swing for infant

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A63G 916

Patent

active

044913176

ABSTRACT:
An infant's swing is disclosed which has a simple construction including a stationary main frame and a reciprocable infant-swinging structure. The swing may be operated with a commercially available rechargeable or alkaline battery or transformer supplying current at no more than about 24 volts. The low voltage current is used to actuate a solenoid fixedly mounted on the main frame in a unique manner so as to use a compensating extensible spring. This spring drivingly engages an infant's seat while simultaneously compensating for the difference between the linear velocity of the solenoid's plunger and the angular velocity of hangers supporting the reciprocable seat. Current is supplied to the solenoid in pulses having a duration of less than about 0.5 second so as to conserve the battery. The swing may also be operated with a D-C transformer providing current at about 2 amperes and preferably 3 or 4 volts.

REFERENCES:
patent: 3031687 (1962-05-01), Stevens et al.
patent: 3261032 (1966-07-01), Reardon
patent: 3667756 (1972-06-01), Barrett
patent: 3842450 (1974-10-01), Pad
patent: 4150820 (1979-04-01), Bochmann
patent: 4211401 (1980-07-01), Cunard

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