| 摘要 |
Escalator with a series of steps (1a, 1b) connected to at least one drive chain (2), driven by a motor mechanism (3), travelling via an advanced track (4a) and a return track (4b) placed alongside, there being transition zones (5a, 5b) between two levels, said tracks (4a, 4b) respectively comprising a main set of guides (11a) and at least one set of additional guides (11b, 11c) for moving a movable step (1b), via the bearing (8a, 8b) thereof, parallel to a non-movable step (1a), so that they are positioned at the same height, creating a widened continuous platform which can accommodate a person with reduced mobility. |
