Radial bearing cage with contact feature
US8529137B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 12, 2010 |
| Grant date | Sep 10, 2013 |
| Priority date | — |
| Expiry date | Jul 25, 2031 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16C19/26
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
The bearing cage has a first flange, a second flange, and a plurality of cage bars extending between the first flange and the second flange so as to form and define outer boundaries for a plurality of pockets. The first flange and the second flange are each bent inward toward the pocket and then extend parallel in a vertical direction, forming a contact surfaces. The contact surfaces are in contact at each end of the rollers arranged in the pocket. The contact surfaces of the bearing cage present a large contact area between the ends of the rollers and the ends of the pockets where there is a lubricant film. Also, the surface of the contact surfaces is smooth.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.