Free-wheel hub assembly
US6907972B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jun 12, 2002 |
| Grant date | Jun 21, 2005 |
| Priority date | — |
| Expiry date | Oct 18, 2023 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60B27/023
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A free-wheel hub assembly includes an axle co-axially extending through a spoke-mounting hub and having a right axle portion disposed outwardly of a right end of the spoke-mounting hub. A tubular sleeve is sleeved on the axle, and is disposed in a right recess defined by the right end of the spoke-mounting hub. A self-lubricating bearing is sleeved on the tubular sleeve, is disposed in the right recess, and has an inner surface in sliding contact with the tubular sleeve. A sprocket mounting member is sleeved on the right axle portion, and has an annular coupling end which extends into the right end of the spoke-mounting hub and which is in sliding contact with an outer surface of the self-lubricating bearing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.