Sheet feeding device with concave suction belt
US7600748B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 13, 2008 |
| Grant date | Oct 13, 2009 |
| Priority date | — |
| Expiry date | Jun 13, 2028 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65H2801/06
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
According to an aspect of the present invention, there is provided a sheet feeding device including: a tray holding sheets; a chamber having an opening and generating a negative pressure thereinside; a suction belt that suctions and conveys a first sheet from the sheets and that is configured to be rotatable along with the chamber and deformable into a concave shape along with the opening; a regulating member disposed inside the opening to regulate a concaving amount of the suction belt; a sheet gate disposed in a sheet feeding passage to be opposed to the suction belt and configured to retreat when contacted by the suction belt; and a nozzle that blows air toward the sheet and toward the suction belt.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.