| 摘要 |
<p>The fire protection sliding gate has two supports (1,1') that are arranged in the shape of box and are connected with a building construction element (3) through a screw (2). An aperture (12) is provided between two supports so as to hang up a running rail (11). An upper bar (4) of the each support is extended horizontally and is fixed with a lower bar (6) through a vertical leg (5). Two rollers (8,8') are mounted on angled portions (7,7') that are provided on lower bars of two supports respectively.</p> |
