Cinch direct mount 2X ring system
US11014628B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 16, 2018 |
| Grant date | May 25, 2021 |
| Priority date | — |
| Expiry date | Jan 20, 2039 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16H55/30
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A cinch direct mount 2X ring system is disclosed. One embodiment discloses a chainring assembly having a drive side crank arm with a chainring assembly interface including a plurality of splines, a circumference, and an axial length. The chainring assembly includes a first chainring having a first outer diameter and a first center assembly shape. The chainring assembly includes a second chainring having a second outer diameter and a second center assembly shape, the second outer diameter being different than the first outer diameter. The chainring assembly also includes a fastener to couple the first chainring and the second chainring with the chainring assembly interface, such that at least one of the first center assembly shape or the second center assembly shape engages with the plurality of splines.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.