Fixing device and image forming apparatus
US8768191B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Feb 6, 2012 |
| Grant date | Jul 1, 2014 |
| Priority date | — |
| Expiry date | Dec 26, 2032 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G15/2025
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A fixing device includes: a fixing member which fixes a toner image on a sheet; a plurality of sliding contact members which sliding contact a surface of the fixing member in which roughness of sliding surfaces of the plurality of sliding contact members is different from each other; a counter which accumulates a count value based on the number of fixing operations to determine a contact period of time of the plurality of sliding contact members to be brought into contact with the fixing member; and a controller which controls the plurality of sliding contact members to be brought into contact with the fixing member based on the accumulated count value of the counter.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.