Patent ID: 7575037
Filing Date: 2009-08-18
Classification: E05D,E05F,E05Y

Abstract:
1. A sectional overhead door having a raised position and a closed position comprising: a) an upper door panel having a thickness defined by the distance between an inner face, and an outer face, said upper door panel including a lower interface end with an outer edge and an inner edge; b) a lower door panel having a thickness defined by the distance between an inner face, and an outer face, said lower door panel including an upper interface end with an outer edge and an inner edge, said outer faces of said door panels being aligned in a vertical plane with the interface end of said lower door panel being angularly spaced from the interface end of said upper door panel when said door is in the closed position; c) a hinge connecting the upper and lower door panels, said hinge permitting said lower panel to move vertically relative to said upper panel when said door is in the closed position, said hinge being of a “Z” configuration with three plates joined by two hinge pins, wherein an upper plate is attached to the lower interface end of said upper panel and a lower hinge plate is attached to the upper interface end of said lower panel with an intermediate plate joining said upper hinge plate with a hinge pin at the outer side of said panels and said lower hinge plate with a hinge pin at the inner side of said panels, wherein said upper and intermediate plates each have a respective length greater than said upper panel thickness; and d) drive means for raising said lower door panel to engage the inner edge of said upper door interface end with the inner edge of said lower door panel interface end and thereafter move said door to its raised position.