Sheet conveyance device, document feeder, image forming apparatus, and multi feed detection method
US8882107B2 · kind B2 · utility
3Cited by
1References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 11, 2013 |
| Grant date | Nov 11, 2014 |
| Priority date | — |
| Expiry date | Oct 11, 2033 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65H2801/39
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A sheet conveyance device includes a paper feed section, a separation roller, a registration roller pair arranged downstream of the paper feed section, a conveyance roller pair arranged downstream of the registration roller pair, a multi feed sensor arranged between the paper feed section and the registration roller pair, and a document conveyance controller. When an original document arrives at the conveyance roller pair, the document conveyance controller suspends driving of the paper feed section and starts multi feed determination.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.