Locking device for lock, has auxiliary control displacing dead-bolt in order to move dead-bolt along translation course and cooperating with slug of dead-bolt for maintaining dead bolt in unbolt position

摘要

The device has a groove (3) for controlling displacement of a dead-bolt (1) and a cylinder bit (4) acting on the groove during the rotation of a key engaged in the cylinder bit. An auxiliary control (2) displaces the dead-bolt in order to move the dead-bolt along a translation course and cooperates with a slug of the dead-bolt for maintaining the dead bolt in an unbolt position.