Document feeder for a copier
US4110038A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jun 13, 1977 |
| Grant date | Aug 29, 1978 |
| Priority date | — |
| Expiry date | Jun 13, 1997 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B27/6264
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
For use with a copier of the type which includes a document illuminating station, a platen at the illuminating station and instrumentalities for flash illuminating respective documents at the illuminating station, there is provided a document feeder which includes a plurality of document feeding instrumentalities. A first feeding instrumentality is provided for feeding respective documents to the platen, a second feeding instrumentality is provided for feeding documents from the platen, and a third feeding instrumentality is provided for feeding documents both to and from the platen. Apparatus is provided for moving the third feeding instrumentality out of document feeding engagement with respective documents fed to the platen to permit such documents to settle on the platen prior to illumination. In addition, apparatus is provided for holding documents fed to the platen in document feeding relationship with respect to the second feeding instrumentality to, for example, prevent movement of the respective documents out of such feeding relationship while settling on the platen.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.