Image forming apparatus having detachable optical and processing units
US5105221A · kind A · utility
27Cited by
6References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 3, 1990 |
| Grant date | Apr 14, 1992 |
| Priority date | — |
| Expiry date | Dec 3, 2010 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G2221/183
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An image forming apparatus comprises a support frame arranged in a main body. The support frame is integrally provided with at least first to third support portions. An image forming process cartridge is supported and positioned by the first support portion. An optical unit is supported and positioned by the second support portion with respect to the cartridge. A transfer charger is supported and portioned by the third support portion with respect to the cartridge.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.