Bearing apparatus for wheel
US6682225B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 4, 2002 |
| Grant date | Jan 27, 2004 |
| Priority date | — |
| Expiry date | Dec 4, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49682
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
In a bearing apparatus for a wheel in which a hub, a constant velocity universal joint and double rows of bearings are united and one inner raceway of double rows of inner raceways, of the double rows of bearings is integrally formed with an outer joint member of the constant velocity universal joint, a stem portion of the outer joint member is fitted to the hub, an unevenness portion is formed on an inner peripheral surface of the hub or an outer peripheral surface of the stem portion or both thereof, and the hub and the outer joint member are plastically connected by expanding the hollow stem portion from an inner diameter side to an outer diameter side by caulking. Accordingly, the fitted portions of the hub and the outer joint member are prevented from being loosened.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.