Paper feeder and image forming apparatus
US8020848B2 · kind B2 · utility
2Cited by
7References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 21, 2007 |
| Grant date | Sep 20, 2011 |
| Priority date | — |
| Expiry date | Oct 27, 2028 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65H2513/512
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
In a paper feeder, a signal switching unit switches a paper present signal output from a paper detector to a paper absent signal indicative of absence of a paper in the second paper cassette if a first paper cassette is pulled out from a specific position.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.