Image forming apparatus
US6665512B1 · kind B1 · utility
10Cited by
5References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 8, 2000 |
| Grant date | Dec 16, 2003 |
| Priority date | — |
| Expiry date | Mar 8, 2020 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G2215/1614
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An image forming apparatus includes a transfer roller pressed against an image carrier for transferring an image from the image carrier to a recording medium being conveyed via a nip between the transfer roller and the image carrier. The transfer roller is positioned in an angular range of less than ±90° from the top of said image carrier in the direction of rotation of the image carrier. In addition, the transfer roller has a greater diameter at its opposite end portions than at its center portion in the axial direction thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.