Tubular skylight with improved dome
US5655339A · kind A · utility
93Cited by
40References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 9, 1996 |
| Grant date | Aug 12, 1997 |
| Priority date | — |
| Expiry date | Aug 9, 2016 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE04D2013/0345
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A tubular skylight having an improved dome improving the efficiency of the skylight. The dome includes an integral prism in a portion of its outer surface to reflect light downwardly through the skylight. The dome is hemispherical, and the prism includes a plurality of grooves extending along great circles that pass through the apex of the dome. The prism covers only an angular segment of the hemispherical dome; and the grooves stop short of the apex of the dome.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.