Valve locking device
US4162690A · kind A · utility
24Cited by
2References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 18, 1977 |
| Grant date | Jul 31, 1979 |
| Priority date | — |
| Expiry date | Nov 18, 1997 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/7256
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A locking device for a valve disposed in a housing including a stem assembly projecting from the valve for rotation of the valve between an open and closed position which includes a handle assembly provided with a handgrip portion at a first end thereof and a securing member at a second end thereof connected to the stem assembly. The locking device also provides for an abutment member mounted on the housing as well as a locking member mounted on the handle assembly so as to interfittingly cooperate with the handle assembly securing member and the abutment member to secure the valve in either the open or the closed valve position.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.