Rear derailleur with one-piece chain cage
US11884364B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 10, 2021 |
| Grant date | Jan 30, 2024 |
| Priority date | — |
| Expiry date | Jan 11, 2042 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB62M9/1242
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A rear derailleur assembly for mounting to a bicycle having a frame. The rear derailleur assembly includes an upper body portion configured to operationally engage the rear derailleur assembly to the frame, a controller portion pivotally connected to the upper body, a lower body portion pivotally connected to the upper body and pivotally connected to the controller portion, and a chain cage assembly. The chain cage assembly includes at least two pulleys configured to engage a chain of the bicycle, and a one-piece chain cage configured to retain each pulley at a particular fixed position. Each pulley is rotatable relative to the one-piece chain cage at the particular fixed position of the pulley. The lower body portion is operationally connected to the one-piece chain cage and configured to allow the one-piece chain cage to pivot relative to the lower body portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.