PASSAGE PROHIBITION ANTIRAM DEVICE WITH PLATE Russian patent published in 2015 - IPC E01F13/08 

FIELD: transport.

SUBSTANCE: device can be used in the area of railway and road transport, as well as to prevent unauthorised passage to enclosed territory. Cover of antiram device is fixed on supporting base using at least one ball joint across traffic direction. Drive unit for cover lifting, holding and lowering contains at least one shell-type load-bearing element. At the side of free edge of cover the antiram tilted shield is attached by means at least one ball bearing. To the shield a plate is rigidly attached being located over cover. Total length of plate and antiram tilted shield is not less than the ratio of wheel radius of transport with large wheel diameter to sine of antiram tilted shield maximum rise angle.

EFFECT: increased capability of repeated prevention of passage of transport with wheel diameter in attempting to overcome this antiram device.

9 cl, 2 dwg