Sheet feeding system
US4444382A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Mar 31, 1982 |
| Grant date | Apr 24, 1984 |
| Priority date | — |
| Expiry date | Mar 31, 2002 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B27/625
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A sheet feeding system wherein, when a start signal for starting sheet feeding is given, a sheet tray is brought into contact with a first feed roller and at the same time the first feed roller is driven to rotate. When a first detection mechanism has detected the leading end of a sheet having reached between a second feed roller and a parting roller, the sheet tray is separated from the first feed roller and when the sheet is detected by the second detection mechanism, the second feed roller is stopped after a delay time that the leading end of the sheet contacts a stopper closing a sheet threading path for the sheet to be slightly looped, and the sheet threading path is opened upon the lapse of a predetermined time and the parting roller is then disengaged from the second feed roller.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.