Title:
ROLLER DEVICE, FIXING DEVICE AND IMAGE FORMING APPARATUS
Document Type and Number:
Japanese Patent JP2019095547
Kind Code:
A
Abstract:
To provide a roller device, a fixing device and an image forming apparatus that can improve life of a cleaning member and that can perform a cleaning operation by means of a cleaning member even when a second roller performs pressure releasing operation to a first roller.SOLUTION: A cleaning member is arranged at an opposite side of a first roller so as to sandwich a second roller. When the second roller is positioned at a first position in a first roller side, pressure between the second roller and the first roller is first roller pressure, and pressure between the second roller and the cleaning member is first cleaning pressure. When the second roller is positioned at a second position in a cleaning roller side, the pressure between the second roller and the first roller is a second roller pressure being smaller than the first roller pressure, and the pressure between the second roller and the cleaning member is second cleaning pressure being larger than the first cleaning pressure.SELECTED DRAWING: Figure 9
Inventors:
NAMIZAKI KOSUKE
MUKAI HIROSHI
MUKAI HIROSHI
Application Number:
JP2017223644A
Publication Date:
June 20, 2019
Filing Date:
November 21, 2017
Export Citation:
Assignee:
SHARP KK
International Classes:
G03G15/20
Domestic Patent References:
| JP2013190584A | 2013-09-26 | |||
| JP2000181267A | 2000-06-30 | |||
| JP2008129089A | 2008-06-05 | |||
| JP2009020407A | 2009-01-29 |
Foreign References:
| US20090297234A1 | 2009-12-03 |
Attorney, Agent or Firm:
Patent Business Corporation Ark Patent Office