Device for unlocking a door, comprising at least one operating element; a bolt; a coupling which can be placed in the door and which is coupled between the bolt and the operating element, wherein the coupling comprises a pair of scissor arms mounted rotatably around a fixed shaft, and a pair of pivot arms, wherein each pivot arm is connected at a first end for pivoting around a first shaft to a scissor arm and connected at a second end for pivoting around a second shaft to a push part intended to engage against the bolt, such that a tilting of the operating element brings about a movement of the push part, and thus of the bolt.