A platform screen door system having a fixed panel (4, figure 1) and a door panel (1, 2, figure 1), wherein the system is provided with a track 11 having a convex surface 17 adapted to support a roller 14, which roller is rotatably mounted on the moving panel and has a concave surface. The system may comprise a secondary roller 15 that is rotatably mounted on the door panel (1, 2, figure 1) wherein the secondary roller in the installed position is spaced from the track and is adapted to hinder the door panel being lifted off of the track 11.
Platform screen door
2021-08-04
Patent
Electronic Resource
English