Multiple sprocket assembly
US8911314B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Sep 22, 2009 |
| Grant date | Dec 16, 2014 |
| Priority date | — |
| Expiry date | Oct 13, 2031 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB62M9/10
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A multiple sprocket assembly configured to be mounted to a wheel hub. The multiple sprocket assembly includes a truncated conical shell having a first opening proximate a small shell base and a second opening proximate a large shell base. The openings are coaxial with a central axis. A plurality of tooth sprockets having different numbers of chain-engaging teeth is disposed on the shell and extends radially of the central axis. A radial load transmitting profile is configured on the shell proximate one of the small and large shell bases. A torque load transmitting profile is configured on the shell proximate the large shell base. The shell, sprockets and the radial and torque load transmitting profiles embody a single piece. A load transfer element is connected to the large shell base to radially support the shell. The load transfer element has a greater number of chain-engaging teeth disposed on an outer periphery thereof and having a larger diameter than a largest sprocket on the shell.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.