Friction-increasing element for attachment to a roadblock, and roadblock provided with at least one such friction-increasing element

Abstract

The present invention relates to a friction-increasing element for attachment to a roadblock, comprising: a friction-increasing element body for attachment to the roadblock, and at least one tapered contact edge, which tapered contact edge is carried by the friction-increasing element body such that the tapered contact edge is facing away from the friction-increasing element body. The invention also relates to a roadblock provided with a least one of such friction-increasing element.

Claims

1. A friction-increasing element in combination with a roadblock, the friction-increasing element comprising: an element body; a tapered contact edge on the element body; the element body connectable to an upper wall of a roadblock, the upper wall extending between a pair of opposing side walls of the roadblock; and the tapered contact edge extending beyond a sidewall of the roadblock.

2. The friction-increasing element according to claim 1, further comprising: the element body and the tapered contact edge being located in a single plane.

3. The friction-increasing element according to claim 1, further comprising: the friction-increasing element body and the tapered contact edge are made from a single plate part.

4. The friction-increasing element according to claim 1, further comprising: the element being made of steel.

5. The friction-increasing element according to claim 1, further comprising: the element body having a tapered contact edges located on each of two opposite sides of the element body and extending beyond each of the opposing sidewalls of the roadblock.

6. The friction-increasing element according to claim 1, further comprising: the tapered contact edge is teethed.

7. The friction-increasing element according to claim 1, further comprising: the tapered contact edge having a thickness that narrows towards the tapered contact edge.

8. The friction-increasing element according to claim 1, further comprising: the element body being provided with at least one couple member for connecting the friction-increasing element to a roadblock.

9. The friction-increasing element according to claim 1, further comprising: the element body is provided with at least one couple opening for connecting the friction-increasing element to a roadblock.

10. The friction-increasing element according to claim 1, further comprising: the element body is provided with at least one lifting opening.

11. A roadblock, comprising: two opposing longitudinal side walls; an upper wall joining the two side walls; a friction-increasing element comprising an element body having a tapered contact edge; and the friction-increasing element i s attached to the upper wall of the roadblock such that the tapered contact edge extends beyond the side wall of the roadblock.

12. The roadblock according to claim 11, further comprising: the element body having a tapered contact edge located on each of two opposite sides of the element body and extending beyond the opposing sidewalls of the roadblock.

13. The roadblock according to claim 11, further comprising: the roadblock having a plurality of friction-increasing elements attached to the upper wall of the roadblock.

14. The roadblock according to claim 11, further comprising: the friction-increasing element is releasably coupled to the upper wall of the roadblock.

15. The roadblock according to claim 11, further comprising: the element body is permanently coupled to the upper wall of the roadblock.

Description

BRIEF DESCRIPTION OF THE DRAWINGS

(1) The present invention will be further elucidated on the basis of the non-limitative exemplary embodiments shown in the following figures, herein shows:

(2) FIG. 1 a perspective view of a friction-increasing element according the present invention that is attached to a roadblock;

(3) FIG. 2 a perspective view of a roadblock according the present invention with four friction-increasing elements attached;

(4) FIG. 3 a schematic side view of a roadblock with friction-increasing element in a toppled/tilted position wherein the roadblock is tilted and the friction-increasing element makes contact with the ground; and

(5) FIGS. 4A-4C schematic top views of three alternative embodiments of friction-increasing elements according the present invention.

DESCRIPTION OF THE INVENTION

(6) FIG. 1 shows a friction-increasing element 1 with a central friction-increasing element body 2 wherein four openings 3 are provided for the passage of fixing bolts 4 to attach the friction-increasing element 1 to an upper wall 5 of a roadblock 6. Also visible are two lifting openings 7 for attachment of a lifting hook (not shown here). On two opposite sides of the friction-increasing element body 2 there are two contact edges 8 (tapered contact edges) with protruding teeth 9. The friction-increasing element 1 is so dimensioned that the teeth 9 of two contact edges 8 protrude from side walls 10 of the roadblock 6.

(7) FIG. 2 shows a perspective side view on the roadblock 6 carrying four spaced apart friction-increasing elements 1. The friction-increasing elements 1 are attached to the roadblock 6 above the location where casing support structures are located in the elongate casing 11, from these casing support structures only parts 12 that protrude from a side wall of the elongate casing 11 are visible in this figure. Also shown are the bottom plates 13 and the anchors 14 for anchoring the roadblock 6 to the ground.

(8) FIG. 3 shows a schematic view of a roadblock 6 that is toppled over, e.g. due to a substantial impact. The bottom plates 13 are in the depicted position loose from the ground 15 and the anchors 14 are broken and/or pulled out of the ground 15. The toppling of the roadblock 6 results in the tapered contact edge 8 of the friction-increasing element 1 that protrudes from the sides of the roadblock 6 to contact the ground 15 and makes the toppled roadblock 15 harder to move (shift) over the ground 15 due to the teeth of the contact edge 8 of the friction-increasing element 1 engaging onto the ground 15.

(9) FIG. 4A shows in schematic top view a friction-increasing element 20 according the present invention with a friction-increasing element body 21 for attachment to a roadblock and a single tapered contact edge 22 provided with two protruding teeth 23. In FIG. 4B a further alternative embodiment of a friction-increasing element 25 according the present invention is shown with a friction-increasing element body 21 for attachment to a roadblock and two opposed tapered contact edges 26, both provided with a single protruding tooth 27. FIG. 4C shows a third alternative embodiment of a friction-increasing element 30 according the present invention, now with a single tapered contact edge 31 provided with two rounded protruding teeth 32.