Patent ID: 8511610

Claim:
A closing device for an aircraft door including a fuselage, a leaf, and a frame connected to the fuselage including an opening configured to receive the leaf, the leaf configured to assume a first closed position in which it closes up the opening and a second open position in which it clears the opening, the device comprising: bearing means provided on the leaf, and corresponding bearing means provided on the frame, wherein the bearing means and the corresponding bearing means respectively include a crenelated structure including teeth and notches, and the teeth of the bearing means pass through the notches of the corresponding bearing means during displacement of the leaf from one of the positions to the other, wherein teeth of the crenelated structure of the leaf abut, in the closed position, on an interior face of corresponding teeth of the crenelated structure of the frame; and wherein a guidance roller affixed on a tooth of at least one of the crenelated structures is arranged for guiding the bearing means of the leaf on the interior face of the corresponding bearing means of the frame in a closing movement of the aircraft door.