Switch racking mechanism with interlock
US5912444A · kind A · utility
9Cited by
4References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 3, 1997 |
| Grant date | Jun 15, 1999 |
| Priority date | — |
| Expiry date | Dec 3, 2017 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02B11/133
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A device for affecting a traveling system of a switching device, which blocks the traveling system to prevent its operation when a door of a switchboard cell is opened. The device includes a blocking lever mounted on the traveling system and a push rod that can be operated by the door. The push rod and has a leg that can be displaced by movement along an inclined face. The blocking lever engages the leg via a contact angle. The blocking lever can be operated in each of the positions of the switching device inside the switchboard cell to block or release the traveling system.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.