Hub assembly for a bicycle
US7121394B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jan 11, 2005 |
| Grant date | Oct 17, 2006 |
| Priority date | — |
| Expiry date | May 1, 2025 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16D41/30
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A hub assembly for a bicycle includes a hub shell adapted to be rotatably mounted on a hub axle, and having a plurality of angularly displaced retreat bores for receiving pawls, respectively, a flywheel mounting cylinder rotatably mounted on the hub axle and having a tubular coupling wall confronting the retreat bores, and an annular drive member including a coupling segment which is coupled to and which is rotated with the tubular coupling wall, and a toothed segment which extends into an annular accommodation space between the hub shell and the hub axle to be coupled with the pawls radially so as to form a uni-directional mechanism for driving the hub shell to rotate in a clockwise direction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.