FRAME AND CORRESPONDING ROADWAY DEVICE

Abstract

This frame (2) comprises a bottom plate (22) which has a base (26) which defines a frame support surface (28) which is directed towards an inner side (I) and a skirt (20) which is intended to receive a covering element (4) and which defines an outer side (E). The bottom plate (22) comprises at least one cell (32) which is open towards the inner side (I).

Description

BRIEF DESCRIPTION OF DRAWINGS

The invention will be better understood from a reading of the following description, given with reference to the appended drawings, in which:

FIG. 1 is a perspective view of the outer side or the top of a frame according to the invention;

FIG. 2 is a perspective view of the inner side or bottom of the frame of FIG. 1;

FIG. 3 is a plan view of the top of the frame according to the invention;

FIG. 4 is an enlarged section, taken along line IV-IV, of FIG. 3; and

FIG. 5 is a perspective view of a cover, forming a manhole with the frame of FIGS. 1 to 3.

Claims

1. Frame, in particular for a roadway device, of the type comprising a bottom plate which has, on the one hand, a base which defines a frame support surface which is directed towards an inner side in the assembled state and, on the other hand, a skirt which is intended to receive a covering element and which defines an outer side in the assembled state, wherein the bottom plate comprises at least one cell which is open towards the inner side.

2. Frame according to claim 1, wherein the or each cell has a height which is greater than a thickness of the base, in particular at least two times greater than the thickness of the base.

3. Frame according to claim 1, wherein the or each cell forms a ridge which is directed towards the outer side.

4. Frame according to claim 2, wherein the or each cell forms a ridge which is directed towards the outer side.

5. Frame according to claim 3, wherein the or each cell has a cross-section in the form of a U, V or inverted arc.

6. Frame according to claim 4, wherein the or each cell has a cross-section in the form of a U, V or inverted arc.

7. Frame according to claim 3, wherein it comprises at least one strengthening rib which is adjacent to the ridge of a cell and which is directed towards the outer side.

8. Frame according to claim 5, wherein it comprises at least one strengthening rib which is adjacent to the ridge of a cell and which is directed towards the outer side.

9. Frame according to claim 7, wherein the or each strengthening rib has a shape which narrows towards the outer side.

10. Frame according to claim 8, wherein the or each strengthening rib has a shape which narrows towards the outer side.

11. Frame according to claim 1, wherein the or each cell comprises at least one through-hole, in particular in the direction which extends from the outer side towards the inner side.

12. Frame according to claim 7, wherein the through-hole is arranged at the outermost portion of the cell.

13. Roadway device, of the type comprising a frame and a covering element, wherein the frame comprises a bottom plate which has, on the one hand, a base which defines a frame support surface which is directed towards an inner side in the assembled state and, on the other hand, a skirt which is intended to receive a covering element and which defines an outer side in the assembled state, wherein the bottom plate comprises at least one cell which is open towards the inner side.