Image forming apparatus and image forming unit
US9436114B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 22, 2015 |
| Grant date | Sep 6, 2016 |
| Priority date | — |
| Expiry date | Jan 22, 2035 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G15/0216
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Provided is an image forming apparatus including an image holder that is provided to be rotatable, and a charging member that includes a charging member main body and a cover member, in which an outer circumferential surface of the cover member is disposed to be in contact with the image holder, and that charges the image holder, wherein a circumferential speed of one member of the rotating image holder and the rotating charging member main body is greater than a circumferential speed of the other member, and wherein the cover member moves to follow a movement of the one member at a contact portion where the cover member and the image holder come into contact with each other, and a portion of the cover member that is positioned on an upstream side of the contact portion is drawn toward a downstream side.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.