Importance

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Abstract

A multi-section folding door includes first and second sets of vertically aligned panels with the panels in each set coupled together in an edge overlapping manner. Each of the panels is suspended from a support bracket attached to the panel's upper edge, with each of the brackets coupled to and suspended from a track by means of a respective trolley. A drive arrangement displaces the trolleys permitting the first and second sets of panels to be displaced toward or away from each other in closing or opening the folding door relative to an opening in a wall. Attached to an upper edge of each panel is an elongated flexible loop which is inserted in a lower slot of a respective support bracket along the length thereof. An elongated cord comprised of a hard material is inserted in the loop and positioned along the length thereof to maintain the loop securely coupled to and suspended from the support bracket. Breakaway coupling is provided along the full length of the overlapping edges of adjacent panels while the outer edges of the two end panels are each coupled in a sealed manner to a respective side frame. A sweeper strip extends from the lower edge of the panel and engages the floor to form a seal therewith. Each panel preferably includes an intermediate insulating layer, with the folding door particularly adapted for low temperature applications such as in freezers.

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First Claim