Electrical switching element comprising a direct armature coupling
US11887797B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 27, 2020 |
| Grant date | Jan 30, 2024 |
| Priority date | — |
| Expiry date | Sep 11, 2042 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H2201/026
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An electrical switch includes a coil assembly, an armature rotatable about an axis of rotation and driven by the coil assembly, and a contact assembly having a contact spring directly connected to the armature. The contact spring is a spring pack including a plurality of springs. At least one of the springs of the spring pack is formed of a first material and at least another one of the springs of the spring pack is formed of a second material different from the first material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.