Patent ID: 7111660
Filing Date: 2006-09-26
Classification: B60J,E05B,E05C,E05D,E05Y,E06B,Y10S,Y10T

Abstract:
1. In a roll-up door for selectively closing an opening in a trailer, the opening being defined in part by a bottom wall of the trailer, the roll-up door comprising multiple integrally formed elongated panels having opposing interior and exterior walls and an upper and lower sides connecting an upper portion of the walls and a lower portion of the walls, respectively, the panels are stacked in an upper side to lower side orientation, a hinge rotatably couples adjacent panels, and one of the panels is a bottom panel whose lower side is adapted to be positioned adjacent the trailer bottom wall when the roll-up door is mounted to the trailer and in a closed position, and a latch assembly with a part having a vertical dimension mounted to the bottom panel and adapted to be selectively coupled to the trailer to lock the roll-up door in the closed position, the improvement comprising: the bottom panel is extruded and has a predominately hollow interior between the exterior and interior walls, the bottom panel further includes a latch recess having a vertical dimension substantially equal to the vertical dimension of the latch assembly part in the exterior wall and multiple mounting supports disposed within the hollow interior and extending between the latch recess and the interior wall, and the latch assembly is received in the latch recess with the part seated in the latch recess; whereby the latch assembly is positioned in a predetermined vertical location on the bottom panel.