| 摘要 |
PURPOSE: An electromagnetic switching device is provided to increase the convenience of using by making an electronics opening/closing device small using a fixed core and movable core. CONSTITUTION: A movable core(123) is spirally slid in toward a fixed core. The fixed core is spaced from the moving core and moves the moving core. A fixed contact is electrically connected to an external device to be switched. A moving contact(112) is contacted to the fixed contact and is separated when the movable core is moved. A shaft(125) is moved up and down when the movable core is moving.
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