Joint bearing
US7891878B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 22, 2006 |
| Grant date | Feb 22, 2011 |
| Priority date | — |
| Expiry date | Feb 12, 2027 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16C23/04
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
The invention relates to a spherical plain bearing, having an inner ring with a spherically curved outer surface and an outer ring having a spherically curved inner surface, a seal being arranged in a continuous groove in the outer ring. The seal has an annular support and rubs against the outer surface of the inner ring. The seal has two mutually spaced resilient sealing lips facing in opposite directions. The first sealing lip being oriented outwards and the second sealing lip being oriented inwards.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.