Sheet feeding apparatus, document reading apparatus and method for feeding sheet
US8387979B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Feb 14, 2011 |
| Grant date | Mar 5, 2013 |
| Priority date | — |
| Expiry date | Apr 20, 2031 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65H2801/39
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The sheet feeding apparatus of the invention includes a driving roller that is rotated by a predetermined driving source, a driven roller that rotates in response to movement of said driving roller, said driven roller being placed opposite said driving roller and having contact with a roller surface of said driving roller, a pressing member that presses a roller surface of said driven roller toward said roller surface of driving roller at a predetermined pressure, and driven roller holding member that includes an opening being elongated in a tangential direction at a contact point between said driven roller and said driving roller or between said driven roller and a sheet, on a circle forming said roller surface of said driven roller.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.