| 摘要 |
The system for joining mullions to transoms by frontal link here described uses: Transoms (3) with channels (3.2) whose longer axis is the vertical axi s and mullions (2) provided with at least two seats (2.2); each seat is provid ed with at least one coupling jaw (2.5), one holding jaw (2.6) and one inclined plane (2.7); an insert (1) joins the mullion (2) to the transoms (3); it is formed by a body (1.1) and a connection beam (1.2) provided with a coupling jaw (1.3); the body (1.1) of the insert (1) is housed in at least one of the above mentionned channels (3.2) of the transom (3); the insert (1) is provid ed with holes (1.5, 1.6) in which screws (6) and dowels (7, 13) are inserted; a spacer (4) is placed between one insert (1) and the one above it in order to separate the transoms (3) vertically; the coupling jaw (1.3) on the insert ( 1) joins with the coupling jaw (2.5) on the mullion (2); the above mentionned screws (6) engrave the holding jaw (2.6) of the mullion (2) thus producing horizontal grooves; the dowels (7) prevent the insert (1) from moving within the transom (3).
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