The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Sep. 05, 2017

Filed:

Mar. 15, 2016
Applicants:

Yoshiki Yamaguchi, Kanagawa, JP;

Yoshio Hattori, Kanagawa, JP;

Haruyuki Honda, Kanagawa, JP;

Ryuuichi Mimbu, Kanagawa, JP;

Toshihiko Shimokawa, Kanagawa, JP;

Yutaka Ikebuchi, Kanagawa, JP;

Yasunori Ishigaya, Kanagawa, JP;

Kazuya Saito, Kanagawa, JP;

Keitaro Shoji, Kanagawa, JP;

Ryohei Matsuda, Kanagawa, JP;

Inventors:

Yoshiki Yamaguchi, Kanagawa, JP;

Yoshio Hattori, Kanagawa, JP;

Haruyuki Honda, Kanagawa, JP;

Ryuuichi Mimbu, Kanagawa, JP;

Toshihiko Shimokawa, Kanagawa, JP;

Yutaka Ikebuchi, Kanagawa, JP;

Yasunori Ishigaya, Kanagawa, JP;

Kazuya Saito, Kanagawa, JP;

Keitaro Shoji, Kanagawa, JP;

Ryohei Matsuda, Kanagawa, JP;

Assignee:

Ricoh Company, Ltd., Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 15/00 (2006.01); G03G 15/20 (2006.01);
U.S. Cl.
CPC ...
G03G 15/2053 (2013.01); G03G 15/2028 (2013.01); G03G 15/6573 (2013.01); G03G 2215/00421 (2013.01); G03G 2215/2035 (2013.01);
Abstract

A fixing device includes an endless fixing belt; a pressure roller to contact the fixing belt; a nip forming member to press the pressure roller from the fixing belt; a nip portion formed between the fixing belt and the pressure roller; a heater to heat the fixing belt to fuse and fix toner onto a recording sheet in the nip portion; an auxiliary driven roller; an auxiliary drive roller to drive the driven roller; an auxiliary nip portion, formed between an outer circumferential surface of the auxiliary driven roller and an outer circumferential surface of the auxiliary drive roller, to nip the recording sheet after toner fixation conveyed from the nip portion; and an outlet guide member, disposed downstream of the auxiliary nip portion, to guide the recording sheet after toner fixation conveyed from the auxiliary nip portion, with the toner-fixed recording sheet surface bent in a concave shape.


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