Locking device

A locking device comprising:

• a housing defined with a closed space therein and provided with an opening for opening the closed space;
• a cover mounted to the housing and adapted to close the space of the housing;
• a slider arranged in the housing in such a fashion that it is slidable between a locking position thereof and a lock releasing position thereof, the slider having a bolt adapted to selectively lock an article to which the locking device is applied;
• a rotating member mounted in the housing in such a fashion that it is rotatable between a locking position thereof and a lock releasing position thereof, the rotating member having a torsion spring adapted to always urge the rotating member toward an initial position defined between the locking position thereof and the lock releasing position thereof;
• a cylinder mounted in the housing in such a fashion that it is rotatable between a locking position thereof and a lock releasing position thereof, the cylinder having an engagement rod adapted to selectively move the slider between the locking and lock releasing positions thereof, the cylinder being connectable with an external connecting member;
• a plurality of key plates hingably mounted in the housing, the key plates respectively having guide channels which are misaligned from one another at an initial position of the key plates;
• a resilient strip member adapted to always urge the key plates toward the initial position thereof;
• and
• a pusher mounted in the housing in such a fashion that it rotates along with the rotating member, the pusher having a locking arm adapted to move the engagement rod toward the locking position of the cylinder, a lock releasing arm adapted to move the engagement rod toward the lock releasing position of the cylinder, and a swing member received in the guide channels of the key plates and allowed to move along the guide channels in a state in which the guide channels are aligned together.