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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.

Patent No.:

US 9207589 B1

PDFFull Text
Date of Patent:
Dec. 08, 2015

Filed:

May. 21, 2014

Fixing device and image forming apparatus including same

Applicants:

Yuji Arai, Kanagawa, JP;

Takayuki Seki, Kanagawa, JP;

Ryuuichi Mimbu, Kanagawa, JP;

Shuntaro Tamaki, Kanagawa, JP;

Toshihiko Shimokawa, Kanagawa, JP;

Yutaka Ikebuchi, Kanagawa, JP;

Shuutaroh Yuasa, Kanagawa, JP;

Kazuya Saito, Kanagawa, JP;

Hiroshi Yoshinaga, Chiba, JP;

Inventors:

Yuji Arai, Kanagawa, JP;

Takayuki Seki, Kanagawa, JP;

Ryuuichi Mimbu, Kanagawa, JP;

Shuntaro Tamaki, Kanagawa, JP;

Toshihiko Shimokawa, Kanagawa, JP;

Yutaka Ikebuchi, Kanagawa, JP;

Shuutaroh Yuasa, Kanagawa, JP;

Kazuya Saito, Kanagawa, JP;

Hiroshi Yoshinaga, Chiba, JP;

Assignee:

Ricoh Company, Ltd., Tokyo, JP;

Attorney:

Duft Bornsen & Fettig LLP

Primary Examiner:

Clayton E Laballe

Assistant Examiner:

Kevin Butler

Int. Cl.
CPC ...
G03G 15/20 (2006.01);
U.S. Cl.
CPC ...
G03G 15/2017 (2013.01); G03G 15/2053 (2013.01); G03G 15/2064 (2013.01); G03G 15/2089 (2013.01); G03G 2215/2016 (2013.01); G03G 2215/2032 (2013.01); G03G 2215/2035 (2013.01);
Abstract

A fixing device includes an endless belt or a fixing belt; a pressure member to contact an outer circumferential surface of the fixing belt; a nip forming member disposed at an interior side of the fixing belt and contacting the pressure member via the fixing belt; a heat source disposed at an interior side of the fixing belt to heat the fixing belt with radiant heat, a plurality of shielding members disposed between the heat source and the fixing belt and movable between a shielding position where the shielding member shields a non-sheet passing area on the fixing belt from the radiant heat from the heat source and a retracted position; and a controller to move the plurality of shielding members between the shielding position and the retracted position at a predetermined time.

Find Patent Forward Citations

Arai, Yuji. (2015). Fixing device and image forming apparatus including same (U.S. Patent No. 9207589). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9207589

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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