Electrophotography type image forming apparatus having improved exchanging kit
US5073795A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jun 26, 1990 |
| Grant date | Dec 17, 1991 |
| Priority date | — |
| Expiry date | Jun 26, 2010 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G2221/1648
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An image forming apparatus includes a photosensitive member, a charger unit provided at a charging station around the photosensitive member, a writing optical system housed in a housing and which casts the optical image of a document image onto the photosensitive member, the housing having a projection opening through which a light beam passes through and an exchanging kit. The exchanging kit includes a developing unit provided at a developing stage around the photosensitive member and a dustproof cover integrated with the developing unit, the dustproof cover having a dustproof glass through which the light beam passes. Furthermore, the exchanging kit is detachably provided around the photosensitive member.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.