Sheet conveying device and image forming apparatus
US7971878B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 6, 2009 |
| Grant date | Jul 5, 2011 |
| Priority date | — |
| Expiry date | May 10, 2029 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G2215/1695
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A sheet conveying device includes a torque estimation unit that, based upon a first load torque generated at a time that a sheet-like member passes through a first nip between a first driving roller and a first driven roller of an upstream sheet conveying unit, estimates a second load torque generated at a time that the sheet-like member passes through a second nip between a second driving roller and a second driven roller of a downstream sheet conveying unit; and a control unit that controls the driving torque such that the second load torque is counterbalanced by applying a counterbalancing torque in synchronization with a timing of entry of the sheet-like member into the second nip.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.