Patent ID: 8579369

Claim:
A child restraint comprising: a juvenile seat including a hollow seat shell having a seat bottom and a seat back extending upwardly from the seat bottom and cooperating with the seat bottom to define an interior region of the hollow seat shell and a rigidifying truss located in the interior region of the hollow seat shell and coupled to the seat bottom and to the seat back to lie in a stationary position in the interior region, wherein the rigidifying truss includes a first stiffener beam, a second stiffener beam arranged to lie in laterally spaced-apart relation to the first stiffener beam, a lower beam stabilizer located in a bottom cavity of the interior region formed in the seat bottom and arranged to interconnect lower portions of the first and second stiffener beams to retain those lower portions in fixed relation to one another, and an upper beam stabilizer located in a back cavity of the interior region formed in the seat back to communicate with the bottom cavity and arranged to interconnect upper portions of the first and second stiffener beams to retain those upper portions in fixed relation to one another and to the lower portions of the first and second stiffener beams, wherein each of the first and second stiffener beams includes a perimeter flange formed to include an interior space bounded by the perimeter flange and a rigidifying structure located in the interior space and coupled to the perimeter flange and the perimeter flange including a J-shaped topside wall arranged to extend alongside of the lower beam stabilizer and the upper beam stabilizer, a J-shaped underside wall arranged to lie in spaced-apart relation to the J-shaped topside wall, and a front wall arranged to interconnect forward ends of each of the J-shaped topside and underside walls.