Sheet elevation apparatus and image forming apparatus using the same
US7503558B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | May 30, 2006 |
| Grant date | Mar 17, 2009 |
| Priority date | — |
| Expiry date | May 10, 2027 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G2215/00729
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A sheet elevating apparatus for use in a sheet tray cassette detachably installable to an image forming apparatus includes an elevation driving source, a first coupling, an elevation member, a second coupling, and an elevation controller. The elevation driving source is mounted to the image forming apparatus. The first coupling is connected to the elevation driving source and has a home position. The elevation member elevates a plurality of recording sheets placed on an elevating base plate of the sheet tray cassette. The second coupling is connected to the elevation member and is engaged with the first coupling set at the home position when the sheet tray cassette is installed in the image forming apparatus. The elevation controller drives the elevation driving source to set the first coupling to the home position when the sheet tray cassette is pulled out.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.