Sheet processing apparatus and method with multi-mode sheet conveying
US6219503A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Nov 12, 1999 |
| Grant date | Apr 17, 2001 |
| Priority date | — |
| Expiry date | Nov 12, 2019 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G2215/00822
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A sheet processing apparatus, such as a finisher, to be used in an image forming device, has a sheet conveying device for allowing conveyance and temporary stopping conveyance to place the sheet in a waiting state, a sheet-conveying-condition detector for detecting a conveying condition for each sheet, a first mode of conveying a sheet by driving the sheet conveying device without placing the sheet conveying device in a waiting state, a second mode of conveyance which places the sheet conveying device in the waiting state, thereafter releasing the waiting state of the sheet conveying device in accordance with conveyance of a succeeding sheet, and conveying preceding and succeeding sheets in a superposed state, and a third mode of conveyance, placing the sheet conveying device in the waiting state, thereafter releasing the waiting state of the sheet conveying device, and conveying the preceding sheet separately from the succeeding sheet. A controller switches the sheet conveying device to the third mode when the sheet-conveying-condition detector has detected that a sheet having a different condition is included within a plurality of sheets to be discharged from the sheet conveying …
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.