Counterbalanced lamp having a resiliently bowed spring lever
US6027233A · kind A · utility
Inventor
Key dates
| Filing date | May 16, 1997 |
| Grant date | Feb 22, 2000 |
| Priority date | — |
| Expiry date | May 16, 2017 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21V21/26
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The invention concerns a form of lighting decoration hanger structure. It refers especially to a bow form such as those supporting structures used in fishing rod as an arm of uphold. It includes the light hood, the supporting arm, spring lever and its foundation. The axis of the light hood is fixed on the upper end of the supporting arm. The foundation has a protruding fixed base. The lower end of the supporting arm is connected to the fixed base. The main point is that the spring lever located between the light hood and the fixed base. The spring lever has, on its upper and lower end, a ring-like circle and a transition spring. There is also a base lock situated at the fixed base of the foundation. This base lock has a fixed lock on it. The ring-like circle on the upper end of the spring lever is capped on the connector piece between the connector of the light hood and the supporting arm or it could be connected to the upper end of the supporting arm. The transition spring at the lower end of the spring lever is capped on the base lock of the fixed base and is combined with a fixed slot at the foundation so that the spring lever forms a bow-like supporting structure. The aforement…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.