Stop and lock plate for use with valve
US5139041A · kind A · utility
15Cited by
7References
8Claims
0Family size
Inventor
Key dates
| Filing date | Jan 27, 1992 |
| Grant date | Aug 18, 1992 |
| Priority date | — |
| Expiry date | Jan 27, 2012 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/7256
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A valve having a rotatable valve stem for positioning the valve in open and closed positions is provided with a plate which is cooperable with a valve handle for both stopping the handle in either of the valve open or valve closed positions and for locking the handle in said positions by means of a padlock.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.