Paper feeding apparatus of image forming device and paper feeding method thereof
US7618037B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 14, 2006 |
| Grant date | Nov 17, 2009 |
| Priority date | — |
| Expiry date | Aug 15, 2027 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65H2511/51
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
The paper feeding apparatus includes a paper feeding cassette having a side guide part for defining and setting a lateral size of paper, a rear guide part for defining and setting a longitudinal size of paper, and a first and second load part for simultaneously or separately accommodating paper sheets; a first lifting unit installed to the paper feeding cassette for lifting the first load part; a second lifting unit installed to the paper feeding cassette for lifting the second load part; a paper feeding unit for picking up and feeding the paper sheets loaded on the first load part sheet by sheet when the first load part is lifted up; a paper transfer unit installed in the paper feeding cassette for transferring paper sheets loaded on the second load part to the first load part; and a paper detection unit for checking whether each of the first and second parts is loaded with paper sheets and whether paper sheets are loaded simultaneously on the first and second load parts in a shared manner. The first and second lifting units are controlled to lift at least one of the first and second load parts according to determination whether paper sheets are loaded simultaneously on the first …
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.