Electromagnetic Swinging Cradle
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United States of America Patent
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Issued Date -
Feb 28, 2019
app pub date -
Aug 31, 2017
filing date -
Aug 31, 2017
priority date (Note) -
Published
status (Latency Note)
Importance
Abstract
A cradle includes a base unit, a swinging unit mounted on the base unit, a table board mounted on the swinging unit, and an electromagnetic unit mounted between the base unit and the table board. The electromagnetic unit includes a housing secured on the base unit, an electromagnetic device mounted in the housing, a box mounted on the table board and corresponding to the electromagnetic device, and two magnet sets mounted in the box. Thus, the electromagnetic device is started and produces a magnetism to repel or attract the two magnet sets which drive the table board to swing reciprocally.
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