Marking element for carriageways
US6568827B2 · kind B2 · utility
7Cited by
4References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 10, 2001 |
| Grant date | May 27, 2003 |
| Priority date | — |
| Expiry date | Oct 10, 2021 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21Y2115/10
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A marking element for carriageways, comprising a cylindrical housing (18) in which there is arranged at least one light source whose light issues through a flat boundary surface, flush with the carriageway, of a transparent part (2′) of the cover (2) of the housing, wherein the light coming from the light source extends in the interior of the cover at an angle with respect to the boundary surface, which is close to the limit angle for total reflection, and wherein the light source is mechanically connected to the cover (2) which can be connected to the housing (1) in different angular positions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.