Metal-to-metal spherical bearing
US7165890B2 · kind B2 · utility
8Cited by
3References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 24, 2005 |
| Grant date | Jan 23, 2007 |
| Priority date | — |
| Expiry date | Mar 5, 2025 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S384/913
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A metal-to-metal bearing comprising a bearing housing of a first material and a ball of a second material held within the housing, the interface between the housing and the ball comprising two bearing surfaces, wherein one of the first and second materials is a titanium alloy having a diffusion zone near its surface to which is adhered a coating of titanium nitride to provide one of the bearing surfaces.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.