Patent ID: 6353376
Filing Date: 2002-03-05
Classification: H01F,H01H

Abstract:
A switching assembly comprising:a switch portion comprising a fixed electrode and a movable electrode which may be separated from each other; a movable shaft moving together with said movable electrode; a movable portion having a first magnetic body secured to said movable shaft and a movable coil surrounding said first magnetic body; and a fixed portion having a second magnetic body surrounding said movable shaft and a fixed coil surrounding said second magnetic body, wherein said movable shaft passes through and slides relative to said fixed portion, said fixed portion is disposed opposite said moving portion, said fixed electrode and said movable electrode are separated from each other by movement of said movable portion and said movable shaft in response to an electromagnetic force acting between said movable coil and said fixed coil, and the electromagnetic force is generated by passage of an excitation current through said movable coil and said fixed coil.