Sheet feeding apparatus and image forming apparatus
US7690643B2 · kind B2 · utility
1Cited by
2References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 5, 2007 |
| Grant date | Apr 6, 2010 |
| Priority date | — |
| Expiry date | Mar 7, 2027 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65H2801/06
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
There is provided an apparatus provided with a tray which goes up and down with sheet stack being supported, a pickup roller which feeds the sheet on the tray a first detecting sensor which detects a object placed on the tray other than the sheets to be fed by the pickup roller, as the tray goes up.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.