Tamper resistant construction for hydrant
US5632301A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jun 7, 1996 |
| Grant date | May 27, 1997 |
| Priority date | — |
| Expiry date | Jun 7, 2016 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/9247
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A tamper resistant construction for a fire hydrant including a hydrant nut actuating body for mounting on a hydrant nut, a shroud rotatably mounted on a first end portion of the hydrant nut actuating body, a cap rotatably mounted on a second end portion of the hydrant nut actuating body, a wrench-receiving portion on the hydrant nut actuating body, a spring mounted within the hydrant nut actuating body and secured to the cap for biasing the cap over the wrench-receiving portion, and a specialized wrench for retracting the cap and engaging the wrench-receiving portion on the hydrant nut actuating body to thereby turn the hydrant nut actuating body and a hydrant nut coupled thereto.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.