Image forming apparatus having duplex unit
US4990965A · kind A · utility
27Cited by
3References
12Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 10, 1989 |
| Grant date | Feb 5, 1991 |
| Priority date | — |
| Expiry date | Apr 10, 2009 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G15/23
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A duplex unit has a reversing part for reversing sides of recording sheets and a stack part for successively stacking the reversed recording sheets, where the stacked recording sheets are outputted in a first-in-first-out sequence. This duplex unit is suited for use on an image forming apparatus which records images on both sides of the recording sheets by an electrophotography.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.