Patent ID: 6123139
Filing Date: 2000-09-26
Classification: E05D,E05F,E05Y,E06B

Abstract:
A door which is selectively moved up and down to open and close an opening and which is guided generally along door guides on opposed vertical sides of the opening comprising:a first chain disposed along one of the door guides and a second chain disposed along an opposed door guide, the first and second chain being defined by a plurality of interlinked hinges having a length, a width and a thickness, wherein the width of each hinge is substantially equal to the width of the other of the hinges;a plurality of panels, each having a first end and a second end, the panels being of sufficient length to extend substantially across the opening but sufficiently limited in length so as to fit between the first and second chains such that there is no overlap of either the first or second end of the panels with any portion of the first and second chains; and,a plurality of distinct connectors for joining the first and second chains respectively to the first and second ends of each of the panels.