Patent ID: 6799522
Filing Date: 2004-10-05
Classification: B61D

Abstract:
An apparatus comprising:a rail passenger car having a door assembly formed of an upper door section and a lower door section, the upper and lower door sections being selectively fixable to one another, the upper section being slidable in the rail passenger car in an opening direction independent of the lower door section when the sections are not fixed to one another, and the door assembly being slidable in the opening direction when the upper and lower sections are fixed to another; a hinged stairwell platform movable between an upper position permitting low level access via stairs and a lower position permitting high level access above the stairs, and; a solenoid disposed in the door assembly and configured to fix the upper and lower door sections to one another when the stairwell platform is in the upper position and to allow relative sliding movement between the upper and lower sections when the platform is in the lower position.