Electrophotographic image forming apparatus with detachable imaging cartridge
US5371575A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jul 30, 1992 |
| Grant date | Dec 6, 1994 |
| Priority date | — |
| Expiry date | Jul 30, 2012 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G2221/1853
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
The present invention provides an image forming apparatus comprising a main assembly and an imaging cartridge detachable from the main assembly. The imaging cartridge includes a first unit and a second unit, both of which are separable form each other, a toner image carrier provided in the first unit, and a charging device provided in the second unit for transferring a toner image on the toner image carrier onto a copy sheet, wherein the charging device includes a charging roller. The present invention also provides an imaging cartridge detachable from the main assembly of an image forming apparatus. The imaging cartridge comprises a first unit and a second unit wherein the second unit is separable from the first unit, a toner image carrier provided in the first unit, and a charging device provided in the second unit for transferring a toner image on the toner image carrier onto a copy sheet.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.