Monostable permanent magnetic actuator using laminated steel core

A monostable permanent magnetic actuator using a laminated steel core, comprising:

• one pair of lamination cores formed as a plurality of metallic thin plates are laminated to each other, and disposed to face each other;
• one pair of fixed plates which form a space having a rectangular sectional surface by connecting ends of said one pair of lamination cores to each other;
• a coil disposed to be adjacent to the lamination cores in the space, and configured to generate a magnetic force to the lamination cores by external power;
• a mover mounted in the space so as to be moved in up and down directions;
• permanent magnets installed in the space, and configured to apply an upward and downward magnetic force to the mover;
• and
• an elastic means configured to apply an elastic force to the mover in an opposite direction to the permanent magnets,