Structure of desk lamp
US5045986A · kind A · utility
7Cited by
4References
2Claims
0Family size
Inventor
Key dates
| Filing date | Nov 30, 1990 |
| Grant date | Sep 3, 1991 |
| Priority date | — |
| Expiry date | Nov 30, 2010 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21V21/30
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A desk lamp including a lamp holder connected to a rotary stand by way of a connecting rod assembly. The lamp holder is allowed to rotate on its own axis. The rotary stand is revolvably fastened to a base. The connecting rod assembly includes two rods which are set in parallel with each other and can be relatively moved to adjust the angle of the lamp holder. By way of the rotation of the lamp holder and the rotary stand and through the control of the connecting rod assembly, the projecting angle of the illumination of the lamp can be conveniently adjusted in all directions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.