Sealing device
US8366117B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 24, 2008 |
| Grant date | Feb 5, 2013 |
| Priority date | — |
| Expiry date | Sep 3, 2028 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16J15/3232
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A sealing device which includes an annular exterior sealing member; a reinforcing ring disposed in a housing hole to surround an outer circumference of a rotating shaft and to press a fitting portion of the exterior sealing member against an inner circumference surface of the housing hole; a retainer mounted in the reinforcing ring; an auxiliary sealing member having one end portion that is pinched and retained between the retainer and the reinforcing ring and the other end portion that is pressed against the outer circumference surface of the rotating shaft; and an elastic tongue piece and an engagement portion that are provided between the retainer and the reinforcing ring.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.