Bicycle hub transmission having a two-piece driver
US6004240A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Aug 3, 1998 |
| Grant date | Dec 21, 1999 |
| Priority date | — |
| Expiry date | Aug 3, 2018 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB62M11/16
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A bicycle hub transmission includes a hub axle, a driver rotatably mounted to the hub axle, and a slave rotatably mounted to the hub axle. The driver includes a first driving member and a second driving member axially aligned with the first driving member and nonrotatably coupled to the first driving member, wherein the slave is at least partially disposed within the second driving member. At least one of the first driving member and the second driving member define a housing space, and a power transmitting mechanism is disposed at least partially in the housing space for changing a rotational speed of the driver and for communicating rotational power from the driver to the slave.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.