Light tower diffuser
US7824079B2 · kind B2 · utility
4Cited by
7References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 8, 2008 |
| Grant date | Nov 2, 2010 |
| Priority date | — |
| Expiry date | May 18, 2029 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21W2131/1005
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The invention provides a diffuser for a portable light tower that has an envelope of fire resistant material designed to diffuse light situated on a frame forming a generally spherical structure that can be opened and closed by use of a pulley and cable system.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.