Locking system for a door

摘要

The system (1) has a self-locking lock (3) provided with a lock latch (8) and a bolt (6). A bolt receiver is provided, into which the bolt protrudes in a locked position. A combined opening and closing function is provided. A lock latch locking device is provided, by which the lock latch is lockable in a closed condition of a door or a window. The lock latch locking device is unlockable by a backward movement of the bolt in an unlocked position, where the backward movement of the bolt is conveyed by the combined opening and locking function.