Image forming apparatus, process unit and developing cartridge
US7684728B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 27, 2006 |
| Grant date | Mar 23, 2010 |
| Priority date | — |
| Expiry date | May 16, 2027 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G2221/1869
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An image forming unit includes a process unit including image carrier holder units arranged in one direction and held in the process unit and developing cartridges provided in correspondence with the image carrier holder units and configured to be removably mounted in the image carrier holder units. Each image carrier holder unit includes an image carrier, a charger configured to charge the image carrier, a pair of side frames disposed to hold the image carrier therebetween, a center frame disposed between the side frames, the center frame being configured to support the charger, and a first support portion disposed on the center frame. Each developing cartridge includes a developer frame, a developer carrier provided in the developer frame, and a supported portion provided in the developer frame and configured to face the center frame when the developing cartridge is mounted in the image carrier holder unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.