Spring operation device and method for assembling the same and switching device
US8448539B2 · kind B2 · utility
1Cited by
6References
18Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 26, 2010 |
| Grant date | May 28, 2013 |
| Priority date | — |
| Expiry date | Nov 23, 2031 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T74/20666
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A spring operation device and a method for assembling the same are disclosed. A switching device including the spring operation device is also disclosed. In the spring operation device disclosed in at least one embodiment of the present invention, by way of a smooth corrugated protuberance, the protuberance can push the operation mechanism of the spring operation device to rotate accurately and efficiently under the effect of a spring at the moment when the spring's energy storing process is completed, so as to accomplish the release of energy.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.