MOTOR VEHICLE BARRIER STRUCTURE Russian patent published in 2007 - IPC E01F13/12 F41H11/08 

FIELD: road safety devices, particularly ones adapted to block vehicle, which departs from rules of the road and constitute menace for other vehicles.

SUBSTANCE: barrier comprises N pairs of crossing plates, shocking members and base. Plates of each pair are pivotally connected with each other in plate centers. Plate ends are pivotally attached to that of adjacent plates. Shocking members are supported by hinge pins. N pairs of crossing plates are collapsed and laid on the base. Springs facilitating plate erection are installed on hinge pins located in plate centers and arranged between the plates. The first plate pair is secured to base provided with retaining means to secure plates in collapsed state and with retaining means releasing member.

EFFECT: increased barrier structure reliability under adverse conditions, namely under the action of rain, snow, moisture and so on.

3 cl, 3 dwg