Cleaning apparatus and image forming apparatus
US7945202B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 28, 2009 |
| Grant date | May 17, 2011 |
| Priority date | — |
| Expiry date | Jul 3, 2029 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G2221/0005
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An cleaning apparatus includes: a first brush roll for removing toner from an image carrier; a second brush roll for removing the toner from the image carrier; a first recovery device for recovering the toner deposited on the first brush roll; a second recovery device for recovering the toner deposited on the second brush roll; a first electric field forming device for forming an electric field between the first brush roll and the image carrier; and a second electric field forming device for forming an electric field between the second brush roll and image carrier, wherein the first brush roll and the second brush roll each has a plurality of electrically conductive yarns arranged on a conductive core, and a resistance R2 of each of the yarns used in the second brush roll is smaller than 1×107 Ω/cm.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.