Patent ID: 11932289
Assignee: WESTINGHOUSE AIR BRAKE TECHNOLOGIES CORPORATION
Field: Transport (Mechanical engineering)
Classification: CPC B | IPC B

Claim 11:
12. A vehicle comprising:
a sliding door panel configured to move to open or close a vehicle doorway through which one or more passengers board or alight the vehicle; and
a threshold assembly coupled with the vehicle, the threshold assembly including an external threshold located outside an exterior wall of the vehicle and an internal threshold located inside the exterior wall of the vehicle so that the external threshold and the internal threshold are on opposite sides of the sliding door panel, the internal threshold configured to move along an interior of the vehicle and drive movement of the external threshold outside of the vehicle along the exterior wall of the vehicle to an extended position where the internal threshold and the external threshold extend across the doorway to provide a threshold surface on which the one or more passengers enter the vehicle via the doorway or exit the vehicle via the doorway.