Patent ID: 6234272
Filing Date: 2001-05-22
Classification: B64F

Abstract:
A portable stairway for leading from the outside doorway of a boarding bridge to the airplane parking level of an airport, the stairway comprising:means for connecting the stairway to the boarding bridge, the connecting means allowing for relative vertical pivoting movement of the stairway and the boarding bridge;at least one flight of steps extending between an upper end and a lower end of the stairway, the upper end of the stairway adapted to be adjacent the outside doorway of the boarding bridge when the stairway and boarding are connected and the lower end of the stairway adapted to be adjacent the parking level;a supporting member movably mounted to the upper end of the flight of steps, the supporting member adapted in a first position to support the flight of steps on the airplane parking level and in a second position to be spaced from the airplane parking level when the flight of steps is connected to the boarding bridge; andmeans associated with the lower end of the stairway for allowing the stairway to move with the boarding bridge when the stairway is connected to the boarding bridge.