Patent ID: 7631799

Claim:
A container, comprising: a plurality of wall panels hingedly connected so as to articulate between an expanded position and a collapsed position, the wall panels defining at least a bottom wall having four peripheral edges, a first side wall, a second side wall, a third side wall, and a fourth side wall; wherein each of the first, second, third, and fourth side walls is hingedly connected to a different one of the peripheral edges of the bottom wall; and wherein the second side wall is connected to the first side wall at an arched elongate hinge, the second side wall is hingedly connected to the third side wall, the third side wall is hingedly connected to the fourth side wall, and the fourth side wall is hingedly connected to the first side wall; wherein each of the first side wall, the third side wall, and the bottom wall comprises at least two wall panels defining a hinged connection extending substantially between diagonal corners thereof, wherein each of the second side wall and the fourth side wall comprises at most one wall panel, wherein the wall panels are adapted to articulate between the expanded position and the collapsed position about the arched elongate hinge and the hinged connections, and wherein the hinged connection extending substantially between the diagonal corners of the first side wall bulges outwardly to lock the container in the expanded position.