A door closer mechanism having a receptacle, countersunk in the door frame, for the deadbolt (14) of a device, countersunk in the door, for controlling the deadbolt (14) from the closing position to the opening position by means of a manually controllable actuation member (12),
- characterized in that
- the actuation member (12) of the device countersunk in the door is embodied as a handle recess (12), which in the closing position, via a rotatably supported angled control piece (19), controls a slide (17), and the slide (17), via a rotatably supported lever (15), secures the deadbolt (14) in the receptacle in the door frame;
- and
- that upon actuation of the recessed handle (12) in the door (10), via the angled control piece (19) and the slide (17), the deadbolt (14) can be adjusted into the opening position of the door (10), and the door (10) is enabled to open.