Warning reflector
US4406045A · kind A · utility
17Cited by
10References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 3, 1980 |
| Grant date | Sep 27, 1983 |
| Priority date | — |
| Expiry date | Jul 3, 2000 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49984
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A warning reflector construction is provided comprising a transparent plate having a rear surface opposite a light-entrance surface. The rear surface comprises torus surfaces arranged side-by-side and supporting an outermost reflective layer. The optical axes of the torus surfaces can be arranged at an angle to the perpendicular to the light-entrance surface. The warning reflector can be produced by injection moulding or stamping.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.