Annular seal member
US8814170B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | May 25, 2012 |
| Grant date | Aug 26, 2014 |
| Priority date | — |
| Expiry date | Jun 16, 2032 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16J15/064
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
An annular seal member configured to seal a gap between a shaft hole and a shaft inserted into the shaft hole, the annular seal member comprises: an annular base part; an annular lip, which includes a lip edge that is configured to be contact with one of a hole face of a shaft hole and an outer periphery of a shaft, the one of which is a seal mating face; a first convex part, a second convex part and a passage recess, which is provided at a face of the base part facing the seal mating face; a concave part, which is formed at a position between the second convex part and the base end portion of the annular lip, and which has a circumferential size larger than a recess width of the passage recess.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.