TRAFFIC BARRAGE Russian patent published in 2010 - IPC E01F13/12 

FIELD: road maintenance, traffic control.

SUBSTANCE: proposed traffic barrage comprises N pairs of crossed plates, injurious elements, box and barrage length limiters (BLL). Plates of every aforesaid pair are pivoted together at their centers while their ends are hinged to the ends of crossed plates. BLL are pivoted between the ends of adjoining crossed plates, each BLL being made up of two adjoining plates with their ends also pivoted together. Injurious elements are fitted on hinge axles. N pairs of crossed plates are arranged as-folded in box inner space. Springs are arranged on aforesaid hinge axles located at crossed plates centers and between them to allow said plates to unfold. First pair of crossed plates is attached to box face walls. Box front wall lower edge is hinged to box bottom and furnished with retainer to hold crossed plates in folded state, and with retainer unlocking device.

EFFECT: higher safety.

3 cl, 5 dwg