Patent ID: 7597287

Claim:
A hollow structure, such as a box of an aircraft, comprising: a front panel; an upper panel; a lower panel; a rear panel; at least one intermediate partition between the front panel and the rear panel, defining a front box and a rear box of an aircraft; and a rod reinforcement device, wherein the rod reinforcement device comprises a front reinforcement triangle comprising three rods, wherein a first end of a first rod is coupled to a first end of the second rod defining a first vertex, a second end of the first rod is coupled to the first end of a third rod defining a second vertex, and a second end of the second rod is coupled to a second end of the third rod defining a third vertex, the three rods thereby forming said front reinforcement triangle, the front reinforcement triangle being coupled by the first vertex to the front panel, by the second vertex to the upper panel, and by the third vertex to the lower panel, wherein the first and second rods forming the first vertex of the front reinforcement triangle being the only rods coupled to the front panel, and an intermediate reinforcement triangle positioned proximate the at least one intermediate partition, the intermediate reinforcement triangle being located in the rear box.