Bicycle crankset with eccentric chainring
US10053185B1 · kind B1 · utility
Assignee
Inventor
Key dates
| Filing date | Jun 7, 2017 |
| Grant date | Aug 21, 2018 |
| Priority date | — |
| Expiry date | Jun 7, 2037 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB62M2009/002
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A bicycle crankset, which is adapted to connect to a chain, includes a chainring and a crankarm. The chainring has a plurality of teeth, a plurality of connecting bores of first noncircular motion path, and a plurality of connecting bores of circular motion path. The crankarm has a plurality of connecting arms to be selected to secured to the connecting bores of first noncircular motion path or the connecting bores of circular motion path. The chainring provides a first noncircular path of motion when the connecting arms of the crankarm are secured to the connecting bores of first noncircular motion path, and chainring provides a circular path of motion when the connecting arms of the crankarm are secured to the connecting bores of circular motion path.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.