ROADBLOCK Russian patent published in 2022 - IPC E01F13/12 F41H11/08 

FIELD: territory protection.

SUBSTANCE: invention relates to devices designed to prevent unauthorized travel on a controlled section of a highway. A roadblock includes a horizontal axial beam and crossed steel elements attached to it with metal plates made of high-strength steel, on which steel stops with a hardness of 50-60 HRC are made in the form of a triangle, located in a plane perpendicular to the plane of metal plates. The length of the base of stops is 0.6-0.8 of the length of the metal plate, and the height of stops is 0.5-0.8 of the length of the metal plate.

EFFECT: provision of a stopping effect on the approaching vehicle due to the guaranteed introduction of steel stops into the roadbed, which eliminates its shift and slippage; at the same time, the roadblock is turned over under the car, and serious damage is inflicted on the latter, excluding or hindering its further controlled movement to the protected area.

1 cl, 1 dwg, 1 tbl