BARRIER Russian patent published in 2017 - IPC E01F13/04 

FIELD: construction.

SUBSTANCE: barrier comprises the housing fixed on the base, the movable beam placed partially in the housing, and the drive mounted in the housing for horizontal movement of the movable frame-structured beam from the movement path blocking position from one side of the housing in the rollback position providing the possibility of movement on this path on the other side of the housing, the supporting stand at a distance from the base, configured with the socket for the movable beam end portion. The housing contains a horizontal guide for the movable beam placement in its horizontal position with rollers arranged in line for supporting the movable beam bottom part and for the possibility for moving the latter in the horizontal direction. The openings for moving the movable beam in the housing are sealed with rubber gaskets, the upper housing surface is inclined, and the upper part of the housing side wall opposite the location of the guide with rollers is made hinged, the through openings in the beam are made closed, the beam downward and upward limit stops are made on the support stand, and in the area of switching the beam into the rollback position the enclosure with a cavity for accommodating the beam is mounted on the base.

EFFECT: design improvement.

2 dwg