• Patent Title: Fixing device containing heating member, nip area member, fixing belt, pressing member, and protrusion, and image forming apparatus
  • Application No.: US15698773
    Application Date: 2017-09-08
  • Publication No.: US10719040B2
    Publication Date: 2020-07-21
  • Inventor: Yoshikazu TsubotaniYusuke MamiyaMotoki Nakano
  • Applicant: Konica Minolta, Inc.
  • Applicant Address: JP Tokyo
  • Assignee: KONICA MINOLTA, INC.
  • Current Assignee: KONICA MINOLTA, INC.
  • Current Assignee Address: JP Tokyo
  • Agency: Lucas & Mercanti, LLP
  • Priority: com.zzzhc.datahub.patent.etl.us.BibliographicData$PriorityClaim@743f0614 com.zzzhc.datahub.patent.etl.us.BibliographicData$PriorityClaim@60093b16 com.zzzhc.datahub.patent.etl.us.BibliographicData$PriorityClaim@2f897642
  • Main IPC: G03G15/20
  • IPC: G03G15/20
Fixing device containing heating member, nip area member, fixing belt, pressing member, and protrusion, and image forming apparatus
Abstract:
A fixing device is for fixing a toner image on a recording medium an image forming apparatus. The fixing device includes a fixing belt, a heating member, a nip area member, a pressing member, and a protrusion. The fixing belt is held by the heating member and the nip area member. The pressing member presses the fixing belt against the nip area member while being rotationally driven. The toner image is fixed on the recording medium in a nip area where the pressing member presses the fixing belt against the nip area member. The protrusion is in contact with the inner surface of the fixing belt. In the fixing device, the fixing belt is in contact with small areas only other than the heating area and the nip area to reduce the heat loss.
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