| 摘要 |
<p>Perimeter frame and flexible sheet assembly forming a substantially flat polygonal framed panel, said assembly including a plurality of elongate frame members, each having a generally rectangular tubular cross-section and an outwardly open longitudinal spline groove on an exterior side thereof; a plurality of nodal connectors, each engaging a longitudinal end of at least two adjacent ones of said plurality of elongate frame members to form a polygonal perimeter frame, with the longitudinal spline grooves positioned inwardly of the perimeter of said frame, a flexible sheet having a perimeter engaged in said spline grooves and at least one elongate flexible spline fitted in said spline grooves for retaining said flexible sheet, wherein said flexible spline is substantially U-shaped in cross-section, having yieldable sides and a detend edge, wherein said spline groove is inwardly contoured to offer an undercut edge and wherein said detent edge engages behind said undercut edge for retaining said flexible sheet and a comer assembly for joining elongate legs of a frame for mounting adjacent an architectural opening, the comer assembly including end portions for fitment to respective elongate legs, at least front and back surfaces extending between the end portions, walls defining an internal cavity for receiving an insert, and an aperture through at least one of the front and back surfaces allowing operation of the insert. <IMAGE></p> |
