Cartridge and image forming apparatus
US9465322B2 · kind B2 · utility
2Cited by
17References
43Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 22, 2015 |
| Grant date | Oct 11, 2016 |
| Priority date | — |
| Expiry date | Jul 22, 2035 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G21/0076
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An image forming apparatus includes: an image bearing member; a charging member for electrically charging the image bearing member in contact with the image bearing member; and a developing member for supplying developer in contact with the image bearing member. The developer remaining on the image bearing member after transfer is collected by the developing member. A Martens hardness HMR of a surface of the charging member and a Martens hardness HMD of a surface of the developer satisfy the following relationship:HMD>HMR.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.