Title:
定着装置及び画像形成装置
Document Type and Number:
Japanese Patent JP6729769
Kind Code:
B2
Abstract:
To provide a fixing device that surely detects an abnormal increase in temperature of a heating element.SOLUTION: There is provided a fixing device comprising: a belt-like fixing member that rotates in contact with an unfixed image; a pressing member that forms a fixing nip part with the belt-like fixing member; and a heating member that heats the belt-like fixing member. The fixing device fixes the unfixed image carried on a sheet-like recording material at the fixing nip part. The heating member is composed of a long base material extending in the longitudinal direction of the belt-like fixing member and a plurality of heating elements formed on the base material; the plurality of heating elements form at least one heating area that can be ON/OFF-controlled; the heating areas include a plurality of temperature detection means that can detect the temperature of the heating elements.SELECTED DRAWING: Figure 6
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Inventors:
Kishi Kazuto
Kenji Ishii
Takashi Seto
Takayuki Seki
Ippei Fujimoto
Sawada Kensei
Hiroshi Yoshinaga
Hiromasa Takagi
Captain Ogino
Shota Kobashigawa
Kenji Ishii
Takashi Seto
Takayuki Seki
Ippei Fujimoto
Sawada Kensei
Hiroshi Yoshinaga
Hiromasa Takagi
Captain Ogino
Shota Kobashigawa
Application Number:
JP2019118118A
Publication Date:
July 22, 2020
Filing Date:
June 26, 2019
Export Citation:
Assignee:
株式会社リコー
International Classes:
G03G15/20; H05B3/00
Domestic Patent References:
| JP2014059508A | ||||
| JP2007025237A | ||||
| JP2015014645A | ||||
| JP2009245729A |
Foreign References:
| US20070237536 |
Attorney, Agent or Firm:
Hideki Imai
Fujita Akira
Fujita Akira