Folding electric device having perpendicular and horizontal shafts
US7493150B2 · kind B2 · utility
3Cited by
7References
27Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 17, 2004 |
| Grant date | Feb 17, 2009 |
| Priority date | — |
| Expiry date | Aug 14, 2024 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE05Y2999/00
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A folding electric has an upper unit and lower unit. A hinge connects the upper unit to the lower unit. The hinge includes at least a perpendicular opening and closing shaft to open and close the upper unit with respect to the lower unit and a horizontal rotation shaft, fixed vertically to the surface of the lower unit, to rotate the upper unit with respect to the lower unit coming in contact with each other.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.