| 摘要 |
<p>Adjustable pedestrian stair device to connect and allow the passage between a mobile platform (1 1) and a fixed plane (12, 12a), for embarkation and disembarkation towers (13) particularly for cruise liners (14) and suchlike. The device comprises support means (15, 63, 163) suitable to be constrained in a fixed manner to said mobile platform (1 1), which support at the lower part a plurality of steps (19, 20, 21; 60, 61, 62; 160, 161) configured to be moved sliding in concertina fashion one with respect to the other to selectively define in a first condition of use a descending stair, in a second condition of use an ascending stair, or in a third condition of use a substantially horizontal walkway.</p> |
