Dual voltage switch
US4532386A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Oct 5, 1983 |
| Grant date | Jul 30, 1985 |
| Priority date | — |
| Expiry date | Oct 5, 2003 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H19/58
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A dual voltage under oil transformer switch formed from one or more phase switch units, fuse switch units and/or auxiliary switch units, each switch unit including a standardized molded switch block, shaft and rotor, the switch blocks including a contact deck for supporting a number of contact blades in a common plane, the rotor including a number of bridge contacts each having a number of double-bladed contact fingers for electrically engaging the contact blades, the rotor being mounted for axial movement on the shaft to accommodate variations in the planar position of the bridge contacts, the shafts being adopted for interlocking engagements and an operating handle assembly for positively locating and indicating the position of the switch position of the rotor in its switch block, the operating handle assembly, switch block, rotor and shafting having physical index members to assure proper interconnection of the switch units.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.