Circuit interrupter operating mechanism
US4131774A · kind A · utility
3Cited by
3References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 9, 1977 |
| Grant date | Dec 26, 1978 |
| Priority date | — |
| Expiry date | Sep 9, 1997 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H33/32
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A circuit interrupter characterized by a pair of separable contacts, operating means for opening and closing the contacts and operatively connected to the contacts, drive means for driving the operating means and comprising a cylinder and piston, the piston having a piston rod extending from the cylinder on the side opposite the operating means, generating means for generating a sudden expulsion of gaseous medium into the cylinder and against the piston, and a connecting link comprising a yoke extending around the cylinder and connected on one side to the piston rod and on the other side to the drive means.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.