Grooved bearing ball and rolling element
US6663290B1 · kind B1 · utility
2Cited by
7References
17Claims
0Family size
Inventor
Key dates
| Filing date | Apr 11, 2002 |
| Grant date | Dec 16, 2003 |
| Priority date | — |
| Expiry date | Jun 11, 2022 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16C2240/42
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A bearing with shallow grooves on the surface of the rolling element. In addition, pockets of lubricant are carried in its own internal structure via a network of through-holes crossing at its center which release lubricant to the grooves and surface of the rolling element upon the rotation of the bearing assembly.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.