Replacement drain hole closure
US5197567A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | May 10, 1991 |
| Grant date | Mar 30, 1993 |
| Priority date | — |
| Expiry date | May 10, 2011 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16N21/06
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A replacement closure assembly for the drain hole of a fluid reservoir is disclosed. The assembly is comprised of a threaded shaft portion which includes a clamping member at one end thereof and a backing member at the other end thereof. A sealing member is provided between the clamping member and the backing member and is dimensioned to close the drain hole opening. In the preferred embodiment, the clamping member is formed about a threaded pivot member which is secured on the threaded portion of the shaft. In use, the clamping member is passed through the drain hole and brought into engagement with the interior of the reservior. The shaft is then threaded through the clamping member until the sealing member is urged into contact with the drain hole. The backing member provides a continuous contact between the sealing member and the reservoir.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.