Image forming apparatus including pressing unit to maintain gap between rollers
US8055167B2 · kind B2 · utility
43Cited by
1References
26Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 16, 2008 |
| Grant date | Nov 8, 2011 |
| Priority date | — |
| Expiry date | Feb 21, 2030 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G15/0921
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An image forming apparatus is disclosed. The image forming apparatus includes a photosensitive body, a magnetic roller disposed at a predetermined distance from the photosensitive body, and a donor roller disposed between the photosensitive body and the magnetic roller. The donor roller has a diameter larger than the closest distance between the photosensitive body and the magnetic roller. The image forming apparatus includes gap rings and pressing device to maintain desired gaps between the magnetic roller and the donor roller and between the donor roller and the photosensitive body.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.