US 9,811,031 B2
Fixing device capable of enhancing durability of endless belt and image forming apparatus incorporating the same
Teppei Kawata, Kanagawa (JP); Masahiko Satoh, Tokyo (JP); Masaaki Yoshikawa, Tokyo (JP); Kenji Ishii, Kanagawa (JP); Hiroshi Yoshinaga, Chiba (JP); Tadashi Ogawa, Tokyo (JP); Takahiro Imada, Kanagawa (JP); Hiromasa Takagi, Tokyo (JP); Kazuya Saito, Kanagawa (JP); Naoki Iwaya, Tokyo (JP); Kensuke Yamaji, Kanagawa (JP); Takamasa Hase, Shizuoka (JP); Toshihiko Shimokawa, Kanagawa (JP); Shuutaroh Yuasa, Kanagawa (JP); Takuya Seshita, Kanagawa (JP); Takeshi Uchitani, Kanagawa (JP); Arinobu Yoshiura, Kanagawa (JP); Hajime Gotoh, Kanagawa (JP); and Akira Suzuki, Tokyo (JP)
Assigned to Ricoh Company, Ltd., Tokyo (JP)
Filed by Teppei Kawata, Kanagawa (JP); Masahiko Satoh, Tokyo (JP); Masaaki Yoshikawa, Tokyo (JP); Kenji Ishii, Kanagawa (JP); Hiroshi Yoshinaga, Chiba (JP); Tadashi Ogawa, Tokyo (JP); Takahiro Imada, Kanagawa (JP); Hiromasa Takagi, Tokyo (JP); Kazuya Saito, Kanagawa (JP); Naoki Iwaya, Tokyo (JP); Kensuke Yamaji, Kanagawa (JP); Takamasa Hase, Shizuoka (JP); Toshihiko Shimokawa, Kanagawa (JP); Shuutaroh Yuasa, Kanagawa (JP); Takuya Seshita, Kanagawa (JP); Takeshi Uchitani, Kanagawa (JP); Arinobu Yoshiura, Kanagawa (JP); Hajime Gotoh, Kanagawa (JP); and Akira Suzuki, Tokyo (JP)
Filed on Sep. 8, 2015, as Appl. No. 14/848,124.
Application 14/848,124 is a continuation of application No. 14/508,694, filed on Oct. 7, 2014, granted, now 9,152,108.
Application 14/508,694 is a continuation of application No. 13/677,597, filed on Nov. 15, 2012, granted, now 8,886,101.
Claims priority of application No. 2012-003264 (JP), filed on Jan. 11, 2012.
Prior Publication US 2015/0378290 A1, Dec. 31, 2015
Int. Cl. G03G 15/20 (2006.01)
CPC G03G 15/2053 (2013.01) [G03G 15/2064 (2013.01); G03G 2215/2035 (2013.01)] 35 Claims
OG exemplary drawing
 
1. A fixing device comprising:
an endless belt which is rotatable, the endless belt including two lateral ends and two lateral edges, the two lateral edges corresponding to the lateral ends;
a nip formation assembly disposed opposite an inner circumferential surface of the endless belt;
an opposed rotary body pressed against the nip formation assembly via the endless belt to form a fixing nip between the endless belt and the opposed rotary body through which a recording medium bearing a toner image is to be conveyed;
a belt holder contacting and supporting each of the lateral ends of the endless belt in an axial direction thereof; and
a slip ring interposed between one of the lateral edges of the endless belt and an inward face of the belt holder disposed opposite said one of the lateral edges of the endless belt in the axial direction thereof.