Flashlight with rotatable lamp head
US6523972B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 6, 2001 |
| Grant date | Feb 25, 2003 |
| Priority date | — |
| Expiry date | Apr 6, 2021 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S362/80
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A flashlight with a rotatable lamp head is provided. The lamp head pivots about two cylindrical coaxial electrical connectors. The lamp head also includes reflector having a major parabolic reflective surface and a minor reflective parabolic surface. The reflector is configured so that the minor reflective surface is nested within the major reflective surface. The flashlight also includes a series of fluid-tight seals to insure that the flashlight is waterproof. In addition, a flapper valve is provided to function as a one-way valve allowing the release of gases produced by the use of the batters, and preventing fluid from entering the flashlight. A battery charger is also provided to recharge a battery pack for the flashlight.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.