Image forming apparatus having toner handling units which are alternatively usable as a developing device or a cleaning device
US5182601A · kind A · utility
28Cited by
9References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 20, 1991 |
| Grant date | Jan 26, 1993 |
| Priority date | — |
| Expiry date | Feb 20, 2011 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G2221/1853
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Image forming apparatus having two identical toner handling units each functioning as a developing device when located in a developing position or as a cleaning device when located in a cleaning position. The image forming devices are alternately and repetitively set in the developing position and cleaning position.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.