Electromagnetic lift apparatus

Details Electromagnetic lift apparatus Electromagnetic lift apparatus

1997-02-19

1998-09-29

Gellner, Michael L.

Implements or apparatus for applying pushing or pulling force

Vehicle attached jack

254 1, 254122, 254DIG2, 335291, 335294, B60S 902

Patent

active

058136614

ABSTRACT:
A vehicle mounted electromagnetic jack system attachable to a vehicle for lifting portions or all of a vehicle. The system includes four electromagnetically operated jacks, a main console located within the vehicle, which operates each jack selectively or all collectively for total lift. Each jack consists of a pair of electromagnets proportionately spaced wherein the lifting force is provided by the coupling intensity of the magnetic flux field propagated from each electromagnet, having confronting poles of like polarity, wherein the well-known repelling effect between like magnetic poles urges the poles apart to furnish the lifting force. Current controlled by the Control Panel, located within the vehicle, reverses the current to the Lower Electromagnet, causing a 180.degree. phase shift in the accompanying magnetic flux field, which results in confronting poles of unlike polarity, wherein the well-known attraction effect between unlike poles urges said poles together to furnish the retraction of the electromagnetic jack.

REFERENCES:
patent: 4434968 (1984-03-01), Smith

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