SLEEPING CAR COMPARTMENT Russian patent published in 2025 - IPC B61D1/06 B61D23/02 E06C5/02 

FIELD: railways.

SUBSTANCE: invention relates to railway transport, particularly, to passenger car compartments. Passenger car compartment comprises sleeping berths arranged at top and bottom and a ladder for climbing to the top berth consisting of posts (1) with rigidly secured steps (3). Ladder is fixed by posts to lower part of suspensions, upper parts of which are hinged to supports rigidly fixed on base (9) arranged on cylindrical axis (10) with possibility of free longitudinal movement along and turning relative to it. In one extreme nonoperating position, ladder freely hangs on hinge axes, and in operating position is moved along cylindrical axis and is located inclined with resting on compartment floor. Ladder is equipped with retainer to hold it in non-operating position with the possibility to prevent oscillation of ladder relative to hinge axis and cylindrical axis. Fixing device is projection in the form of bar (16) attached to compartment floor which side surface interacts with ladder in its non-operating position for its deviation from equilibrium position. Bar is skewed.

EFFECT: invention eliminates the swaying of the ladder and noise during the car movement from the collision of the ladder with the walls of the niche and increases comfort.

7 cl, 12 dwg