Adjustable lighting device
US8047685B2 · kind B2 · utility
6Cited by
5References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 19, 2009 |
| Grant date | Nov 1, 2011 |
| Priority date | — |
| Expiry date | Oct 22, 2029 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21Y2115/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An adjustable lighting device having a main body, a light generation device inserted into a receptacle, a movable lens, a base electrically connected to the light generation device, and an adjustor cover rotatably mounted to and covering the outside of the main body so that rotation of the adjustor cover causes the lens to extend/retract within the receptacle so that the extension/retraction of the lens can be controlled by the rotation of the adjustor cover for realizing focus adjustment.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.