Patent ID: 6669271
Filing Date: 2003-12-30
Classification: B21C,B62D,B65D,Y10T

Abstract:
A trailer comprising:a floor; a monolithic top rail; a monolithic bottom rail; a plurality of vertically extending monolithic hollow, extruded wall panels positioned vertically adjacent one another wherein the plurality of hollow, extruded wall panels is secured at one end to the top rail and at the opposite end to the bottom rail; wherein each wall panel comprises an inside wall and an outside wall connected to each other by a first end wall, a second end wall, and at least one intermediate wall; the first end wall includes a groove that extends along the length of the panel between the top rail and the bottom rail; the second end wall includes a projection that extends along the length of the panel between the top rail and the bottom rail; wherein the projection of the second end wall matingly engages the groove of the first end wall of an adjacent wall panel; wherein the bottom rail includes: a wall engaging portion and a floor engaging portion, and a bracing portion; wherein the wall engaging portion is at least partially U-shaped to matingly support the wall panels; wherein the bracing portion extends upward at an angle approximately 45Â° from the floor engaging portion and includes a flat end portion formed generally parallel to the wall panels and connected to the plurality of wall panels; wherein the floor engaging portion attaches to the top of the floor of the trailer and includes a lower member which extends below a floor of the trailer and is attached to the bottom of the floor of the trailer; wherein the outside walls of the plurality of wall panels form a smooth exterior trailer wall surface.