Fixing device with endless belt and image forming apparatus incorporating same

The fixing device includes a nip formation assembly partially pressing against an opposed rotary body via an endless belt to form a fixing nip between the endless belt and the opposed rotary body. The nip formation assembly includes a base pad defining the fixing nip and including a pressure portion...

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Main Authors SESHITA TAKUYA, HASE TAKAMASA, UCHITANI TAKESHI, YOSHINAGA HIROSHI, SATOH MASAHIKO, ISHII KENJI, TAKAGI HIROMASA, YOSHIURA ARINOBU, SUZUKI AKIRA, YOSHIKAWA MASAAKI, IMADA TAKAHIRO, YAMAJI KENSUKE, OGAWA TADASHI, SHIMOKAWA TOSHIHIKO, GOTOH HAJIME, KAWATA TEPPEI, SAITO KAZUYA, YUASA SHUUTAROH, IWAYA NAOKI
Format Patent
LanguageEnglish
Published 24.03.2015
Subjects
CINEMATOGRAPHY
ELECTROGRAPHY
ELECTROPHOTOGRAPHY
HOLOGRAPHY
MAGNETOGRAPHY
PHOTOGRAPHY
PHYSICS
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Summary:The fixing device includes a nip formation assembly partially pressing against an opposed rotary body via an endless belt to form a fixing nip between the endless belt and the opposed rotary body. The nip formation assembly includes a base pad defining the fixing nip and including a pressure portion, an extension portion, and a curved portion. The pressure portion presses against the opposed rotary body via the endless belt. The extension portion is contiguous to and disposed upstream from the pressure portion in a recording medium conveyance direction. The extension portion does not press against the opposed rotary body via the endless belt. The curved portion is disposed upstream from the extension portion in the recording medium conveyance direction and smoothly blends into the extension portion. The curved portion does not press against the opposed rotary body.
Bibliography:Application Number: US201213692389