FIXING DEVICE AND IMAGE FORMING APPARATUS

According to an embodiments, a fixing device includes: an endless fixing member; a heating unit that is provided inside an inner peripheral surface of the fixing member; and a nip forming unit that comes into press-contact with a rotationally driven pressing member with the fixing member interposed...

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Main Authors TOKUDA TETSUO, SESHITA TAKUYA, YOSHINAGA HIROSHI, ISHII KENJI, TAKAGI HIROMASA, YOSHIURA ARINOBU, ARAI YUJI, FUJIMOTO IPPEI, YOSHIKAWA MASAAKI, IMADA TAKAHIRO, IKEBUCHI YUTAKA, SHIMOKAWA TOSHIHIKO, GOTOH HAJIME, IWAYA NAOKI, YAMAGUCHI YOSHIKI
Format Patent
LanguageEnglish
Published 07.01.2016
Subjects
CINEMATOGRAPHY
ELECTROGRAPHY
ELECTROPHOTOGRAPHY
HOLOGRAPHY
MAGNETOGRAPHY
PHOTOGRAPHY
PHYSICS
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Summary:According to an embodiments, a fixing device includes: an endless fixing member; a heating unit that is provided inside an inner peripheral surface of the fixing member; and a nip forming unit that comes into press-contact with a rotationally driven pressing member with the fixing member interposed therebetween to form a nip. The nip forming unit has a shape in which a center of a contact surface protrudes toward the pressing member compared to both ends. The nip forming unit has a protruding amount at a center toward the pressing member compared to both ends of the nip forming unit in no-load state is set to be less than a bent amount of the nip forming unit when the nip forming unit comes into press-contact with the pressing member with the fixing member interposed therebetween.
Bibliography:Application Number: US201514851583