Magnetic levitation bed

Details Magnetic levitation bed Magnetic levitation bed

2005-11-22

2005-11-22

Shackelford, Heather (Department: 3673)

Beds

Cradles

Rocking devices

C005S609000, C310S090500

Reexamination Certificate

active

06966083

ABSTRACT:
A magnetic levitation bed is disclosed to include a bed frame, which is equipped with a plurality of permanent magnet arrays, a first cam-fitting mechanism, and a second cam-fitting mechanism, and a base, which is equipped with a power control box controllable by a remote controller, a plurality of electromagnet arrays arranged corresponding to the permanent magnet arrays and controllable by the control box to attract and repulse the permanent magnet arrays, a first low-speed motor controllable by the power control box to turn a first cam relative to the first cam-fitting mechanism and to further cause the bed frame to oscillate in transverse direction, a second low-speed motor controllable by the power control box to turn a second cam relative to the second cam-fitting mechanism and to further cause the bed frame to oscillate in longitudinal direction, and sensors for detecting oscillation of the bed frame and providing a signal indicative of the position change of the bed frame to a microprocessor for enabling the power control box to control the operation of the first low-speed motor or second low-speed motor subject to the data received from the sensors.

REFERENCES:
patent: 3570023 (1971-03-01), Bennett

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