Automatic document feeder
US8246037B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 23, 2011 |
| Grant date | Aug 21, 2012 |
| Priority date | — |
| Expiry date | Feb 23, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N2201/0081
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An automatic document feeder includes a feeder casing, a pressing structure, a guiding notch, plural first guiding ribs and plural second guiding ribs. The pressing structure is disposed on a bottom part of the feeder casing. The guiding notch is formed in the pressing structure. The first guiding ribs are arranged downstream of the guiding notch. The second guiding ribs are arranged beside the first guiding ribs. The height of the first guiding rib is smaller than the height of the second guiding rib. The lower first guiding ribs are used for guiding a thicker paper. The higher second guiding ribs are used for guiding a thinner paper.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.