Sealed spherical bearing
US7568840B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 25, 2004 |
| Grant date | Aug 4, 2009 |
| Priority date | — |
| Expiry date | Dec 5, 2024 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T403/32729
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A sealed spherical bearing having a bearing housing (1), a ball (2) located therein and a ring-like seal (4) having an inner edge (6) and an outer edge (5) located between the bearing housing (1) and the ball (2), one of the edges (5, 6) having a head (7) and a skirt (12) depending therefrom, the head (7) lying in an annular groove (8) formed in one of the ball (2) or the housing (1) and the skirt (12) lying on a lip (9) upstanding from the groove (8) to define at least two sealing lines between the seal (4) and the one of the ball (2) or the housing (1), the other edge of the seal being fixedly mounted to the other of the ball (2) or the housing (1).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.