Photoconductor unit and image-forming apparatus including drum-cleaning unit
US7933535B2 · kind B2 · utility
2Cited by
2References
17Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 4, 2007 |
| Grant date | Apr 26, 2011 |
| Priority date | — |
| Expiry date | Aug 27, 2028 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G21/206
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A drum unit includes a photoconductor drum, a charger, a cleaning brush, and a drum unit case. The charger and the cleaning brush are disposed in such a manner as to face the circumferential surface of the photoconductor drum. The charger and the cleaning brush are fixed to a charger support portion of the drum unit case. The charger support portion has a filler protrusion. The filler protrusion is provided so as to fill the space between the charger and the cleaning brush.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.