Developing roller and developing device provided with the same
US9244378B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 25, 2014 |
| Grant date | Jan 26, 2016 |
| Priority date | — |
| Expiry date | Mar 25, 2034 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G2215/0861
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A developing roller configured to carry developer and extending in an axial direction includes: a first rotation shaft; a second rotation shaft; a rubber body portion; a first cylindrical rubber portion; and a second cylindrical rubber portion. The body portion has a first side and a second side opposite to the first side in the axial direction. The first cylindrical rubber portion is disposed on the first side. The first rotation shaft is configured to be fitted with the first cylindrical rubber portion. The second cylindrical rubber portion is disposed on the second side. The second rotation shaft is configured to be fitted with the second cylindrical rubber portion. The rubber body portion is configured to be deformable more than the first cylindrical rubber portion and the second cylindrical rubber portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.