Blade for vacuum valve
US10443741B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 14, 2016 |
| Grant date | Oct 15, 2019 |
| Priority date | — |
| Expiry date | Apr 22, 2036 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16K51/02
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A blade for vacuum valves is provided with an opening/closing plate having one side surface coming into contact with a moving passage part. A screw coupling part is formed on the other side surface and a first elastic member seating part is formed on the outer circumference of the screw coupling part. A shaft connecting bar is provided on the other surface of the opening/closing plate having a contact protrusion part having a second elastic member seating part and a connecting part formed in the contact protrusion part so that a connecting unit is inserted. The first elastic member is provided between the first elastic member seating part and the second elastic member seating part to guide the elastic connection between the opening/closing plate and the shaft connecting bar.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.