Torsion spring assembly and portable electronic device with torsion spring assembly
US8152147B2 · kind B2 · utility
6Cited by
4References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 19, 2008 |
| Grant date | Apr 10, 2012 |
| Priority date | — |
| Expiry date | Nov 23, 2030 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T74/165
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A torsion spring assembly includes a torsion spring body and a fixed base. The torsion spring body has a first coil part and a second coil part. The first coil part connects to the second coil part. The fixed base has a first fixed arm and a second fixed arm. The first coil part is wound around the first fixed arm and the second coil part is wound around the second fixed arm. The winding direction of the first coil part is perpendicular to the winding direction of the second coil part. A portable electronic device with the torsion spring assembly is also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.