SIDE HATCH OF COVERED FREIGHT CAR Russian patent published in 2020 - IPC B61D17/08 B61D27/00 E06B7/08 B65D88/74 

FIELD: rail transport.

SUBSTANCE: invention relates to railway transport and can be used in covered freight cars for production of loading and unloading works and for ventilation of car body inner space. Side door of the covered freight car contains cover (6) with handle (9), ventilation grid (7) with louvres and mechanism of fixation of the hatch cover and ventilation grid. Mechanism for fixation of hatch cover and ventilation grid is made in form of bolt. Edge of frame (1) of hatch is bent out of hatch, and between cover and frame of hatch there are seals (8) fixed on cover and / or frame of hatch. Lock of open position of hatch cover is fixed at the bottom of the hatch. Ventilation grid has louvres.

EFFECT: higher reliability of side hatch design.

1 cl, 6 dwg