Patent ID: 6253825
Filing Date: 2001-07-03
Classification: E05D,E05Y,E06B

Abstract:
A device in door arrangements comprising a plurality of door panels having a thickness dimension, edges and edge portions, inwardly facing and outwardly facing side walls, said panels having hinge means and adjacent panels are hingedly interconnected to pivot about pivot axes, said pivot axes of each hinge means being positioned in between planes defined by the side walls of adjacent door panels,said hinge means hingedly Interconnecting said adjacent door panels comprising a convex member forming part of one of said door panels and a concave member forming part of an adjacent one of said door panels,said convex and concave members extending along the edges of the door panels, and said concave and convex members each forming a bearing face for contact between adjacent panels, each door panel has a main profile extending uninterrupted over the entire cross section, taken in the thickness direction of each door panel in the respective edge portion, in that one of the edge portions of the door panel exhibit a curved section extending in the thickness direction which defines said concave member, that the door panels have rigidifying portions arranged in the edge portion of the door panel, and in that one of said rigidifying portions Is formed in an Inwardly facing side wall of the door panel and having a cylindrical face,said cylindrical face and said convex member having coinciding pivot axes, wherein the bearing face of the convex member has an extension along a radius which, calculated from the pivot axis, exceeds the radius along which the rigidifying portion is arranged.