Over-center mechanism
US8177445B2 · kind B2 · utility
6Cited by
19References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 27, 2008 |
| Grant date | May 15, 2012 |
| Priority date | — |
| Expiry date | Mar 13, 2031 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE05F1/1075
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An over-center mechanism includes a pivoting member, rotatable about a pivot point between first and second positions, a drive gear, having a first radius, fixedly attached to the pivoting member at the pivot point, a pinion gear, engaged with the drive gear, having a second radius, and an over-center tension spring, eccentrically attached between the drive gear and the pinion gear, to bias the pivoting member toward the first and second positions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.