Bicycle chain rings
US9677658B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Dec 30, 2013 |
| Grant date | Jun 13, 2017 |
| Priority date | — |
| Expiry date | Dec 31, 2034 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB62M9/10
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
Embodiments of the present invention include bicycle chain rings for bicycles having specially shaped ramps, tapers and profiled teeth for improved shifting performance. The embodiments of bicycle chain rings of the present invention may be configured for large chain rings on double cranksets and large and middle chain rings on triple cranksets. The embodiments of bicycle chain rings of the present invention may also be retrofitted to existing bicycle cranksets by replacing original chain rings. The embodiments of bicycle chain rings of the present invention may further be configured for any standard crankset mounting bolt configuration and for any suitable number of teeth.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.