Sheet feeding device and image forming apparatus incorporating same
US8267394B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 11, 2011 |
| Grant date | Sep 18, 2012 |
| Priority date | — |
| Expiry date | Aug 11, 2031 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65H2511/416
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A sheet feeding device that can be incorporated in an image forming apparatus includes a sheet feeder including a belt unit including an attraction belt facing a sheet stack and first and second tension rollers to keep the attraction belt taut, and a side holder to rotatably support the belt unit about the first tension roller that serves as a pivot of the sheet feeder being disposed upstream from the second tension roller in the sheet conveyance direction, a contact and separation drive unit to swing the sheet feeder to make the attraction belt contact with and separate from the sheet stack, and a swing range adjuster to adjust a range of swing of the belt unit with respect to the side holder between contact and separation of the attraction belt with respect to the sheet stack, according to a predetermined condition.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.