Ball valve lockout
US6622536B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 1, 2002 |
| Grant date | Sep 23, 2003 |
| Priority date | — |
| Expiry date | Mar 1, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/7256
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A valve lock for securing the handle of a pipe. The valve lock includes a first housing having first and second contact points for engaging the pipe and a retention chamber that receives the handle. The first housing is in a final position to prevent rotation of the handle when the retention chamber receives the handle and the first and second contact points are seated against the pipe. A second housing has a third contact point for engaging the pipe and a lock member for disposition relative to the first housing when the first housing is in the final position and the third contact point is seated against the pipe. The lock member receives the shackle of a padlock to secure the lock member to the first housing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.