Patent ID: 8613408

Claim:
An aircraft, including: a fuselage floor; a top panel of a central wing box; at least two rails and at least two beam, the rails and the beams extending in a fuselage of the aircraft between the floor and the panel, below the floor and above the panel; and at least one reinforcement suitable, independently of the rails for taking up a force acting at the level of the floor and for transmitting said force to at least one of the beams and the top panel, and wherein: the beams are horizontal, the rails and the beams are parallel to each other and additionally are parallel to a longitudinal direction of the fuselage, the rails are located above the beams and in coincidence with respective ones of the beams, the at least one reinforcement is connected to the panel by two links that are coplanar with a plane perpendicular to the rails and that are inclined in mutually opposite directions, and the at least one reinforcement extends into the fuselage and along a horizontal direction perpendicular to a longitudinal direction of the fuselage.