According to the principle of magnetic repulsion, the magnetic cylinder system is adopted. A constant magnetic metal separator with the same magnetic plate is installed between the padlock cylinder and the insurance pin. The key is not in direct contact with the insurance pin. When the slotless magnetic key Smoothly inserted into the lock cylinder rotation, the key touched the metal partition, resulting in a strong repulsive force, the lock easily open. In addition, the use of the principle of magnetic adsorption, the metal plate to tighten, rely on the spring to open the lock.
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