Locking device, door assembly having such a locking device and method for installing such a locking device

A locking device for a door leaf of a door assembly, comprising:

• a faceplate,
• a drive means attached to the faceplate,
• at least one drive rod extending along a longitudinal direction and
• at least one drive bolt,
• wherein the drive rod is configured to be driven by means of the drive means and is configured to be displaced along the longitudinal direction when driven by means of the drive means,
• wherein the drive rod is guided on the faceplate by means of guide elements coupled to the faceplate,
• a coupling means for coupling the at least one drive bolt, the coupling means being attached to the at least one drive rod,
• wherein the coupling means has a receptacle into which the drive bolt is configured to be inserted with an end section,
• wherein the coupling means and the drive bolt are designed such that the drive bolt is coupled to the coupling means by latching when the end section is inserted into the receptacle,
• wherein the coupling means has a housing in which a locking element is displaceably mounted, wherein the locking element is displaceable between a coupling position in which the locking element engages in the receptacle for coupling with the drive bolt, and a release position in which the locking element releases the receptacle for decoupling the drive bolt, and
• wherein the locking element has a threaded section at its proximal end, and the drive rod and/or the faceplate each have a passage aligned with the threaded section, such that an actuating element which has a counter-threaded section corresponding to the threaded section is configured to be guided through the passage and coupled to the threaded section.