Image reading apparatus and image forming apparatus having the same
US6957037B2 · kind B2 · utility
4Cited by
2References
12Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Sep 30, 2003 |
| Grant date | Oct 18, 2005 |
| Priority date | — |
| Expiry date | Sep 30, 2023 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N2201/0422
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
This present invention provides an image reading apparatus aiming at improving its operability while saving the cost and an image forming apparatus provided with the same. Sponges for pressing a pressing plate against a platen glass are constituted of nine sponges. Then, restoration forces Fa to Fc generated when sponges on a front side of a document feeding apparatus far from a fulcrum shaft of a hinge unit are crushed are set smaller than restoration forces Fg to Fi generated when sponges on a deep side of the document feeding apparatus near the fulcrum shaft 45 of the hinge unit are crushed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.