VEHICLE STEP Russian patent published in 2024 - IPC B61D23/00 E06C5/04 B60R3/02 

FIELD: railway transport.

SUBSTANCE: footboard comprises main unit of steps, made with possibility of extension parallel to car floor, and a lower step mechanically connected to the unit of steps, installed with two degrees of freedom with possibility of being actuated by a common drive of the footrest. Lower step comprises step for boarding/disembarking passengers, which is mechanically fixed on brackets with possibility of linear movement. Brackets are fixed on sides of step unit. Lower step elevation angles lie in range from 0 to 90° relative to the vehicle floor level. Lower step is made with possibility of fixation relative to step unit in retracted position and retention in extended position due to the lower stage drive in the fully extended position of the main unit, and the lower stage lifting is determined by the lower stage drive.

EFFECT: higher reliability of steps operation in areas with snow-covered, uneven, and damaged railway platforms.

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