Electrophotographic image forming apparatus, process cartridge and developing cartridge
US10108141B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 25, 2017 |
| Grant date | Oct 23, 2018 |
| Priority date | — |
| Expiry date | Aug 27, 2037 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G2221/1684
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An electrophotographic image forming apparatus includes a process cartridge detachably mountable to a main assembly, a developing cartridge, and a cartridge supporting member movable between an inside position in which the pair of the process cartridge and the developing cartridge are located at an image forming position and an outside position in which the process cartridge and the developing cartridge are mountable and demountable. A first portion-to-be-pressed is provided on the process cartridge, a main assembly side process cartridge urging member is provided in the main assembly for pressing the first portion-to-be-pressed when the cartridge supporting member is in the inside position, and a second portion-to-be-pressed is provided on the developing cartridge. In addition, a main assembly side developing cartridge urging member is provided for pressing the second portion-to-be-pressed when the cartridge supporting member is located at the inside position.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.