Ceramic bearing structure
US6840677B2 · kind B2 · utility
1Cited by
3References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 29, 2003 |
| Grant date | Jan 11, 2005 |
| Priority date | — |
| Expiry date | Jul 25, 2023 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16C33/043
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A ceramic bearing structure is constructed to include an axle bush having an axially extended axle hole, and an axle pivoted to the axle hole of the axle bush, the axle bush having a radial open chamber extended across the axle hole. The radial open chamber diminishes the material of the axle bush, reduces the contact area between the axle and the axle bush, and provides a spacious lubrication grease accumulation chamber.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.