RETROREFLECTIVE DEVICE OF ROAD BARRIER FENCE Russian patent published in 2017 - IPC E01F15/04 

FIELD: construction.

SUBSTANCE: device housing is made of high strength polymer material and is enclosed with the working and the contact surfaces. The contact surface fits the fence beam configuration. The housing has a section in the form of an isosceles triangle, with the angle at the base 25…35° and with the corner rounded with the radius 40…50 mm. The height of this triangle is taken to be equal to 0.5…0.7 of the depth of the depression of the road fence beam. The contact surface of the housing has a projection fitting the mounting hole in the beam, the height of the projection is equal to the thickness of the beam wall. The fixing element consists of a threaded rod with a rounded head pressed in a housing, and nut and washer. The rod has a shoulder. On the flat end of the working part of the housing the recesses are provided, in which the reflective elements are installed. The bottom of the recesses is located at the angle of 30° to the planes of the ends of the working surface of the housing.

EFFECT: device has a high resistance to external mechanical impacts.

2 cl, 4 dwg