PROBLEM TO BE SOLVED: To surely prevent damage to glass during relative story displacement, in a curtain wall structure associated with a frameless construction method.;SOLUTION: A bracket-like supporting member 13g, which protrudes outward with respect to an outer surface of a panel, is provided in the central part of the outdoor surface of a panel supporting device 2; openings 13f are each formed on both the sides of the supporting member 13g and on the outdoor side surface of the panel supporting device 2; a panel retainer 16, which is provided in the state of protruding a panel placing base 16b to the outdoor side from the opening 13f, is held in such a manner as to be vertically slidable within the vertical dimension of the opening 13f; lower end corners of upper-side panels P and P are placed on the panel placing base 16b; upper ends of lower-side panels P and P are installed in a state wherein a space is made between the upper ends of them and the panel placing base 16b; and a panel holding plate 17 is installed on the supporting member 13g from the outdoor side in such a manner as to straddle the respective corner parts of the four panels.;COPYRIGHT: (C)2007,JPO&INPIT
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