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.:
Date of Patent:
Mar. 05, 2019
Filed:
Feb. 23, 2017
Takayuki Seki, Kanagawa, JP;
Kenji Ishii, Kanagawa, JP;
Hiroshi Yoshinaga, Chiba, JP;
Takashi Seto, Kanagawa, JP;
Ippei Fujimoto, Kanagawa, JP;
Kazunari Sawada, Kanagawa, JP;
Ryohei Matsuda, Kanagawa, JP;
Takayuki Seki, Kanagawa, JP;
Kenji Ishii, Kanagawa, JP;
Hiroshi Yoshinaga, Chiba, JP;
Takashi Seto, Kanagawa, JP;
Ippei Fujimoto, Kanagawa, JP;
Kazunari Sawada, Kanagawa, JP;
Ryohei Matsuda, Kanagawa, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
A fixing device includes a fixing rotator, an opposed rotator disposed opposite the fixing rotator, a pressure pad, a lateral end heater, and a thermal conduction aid. The pressure pad presses against the opposed rotator via the fixing rotator to form a fixing nip between the fixing rotator and the opposed rotator. The lateral end heater is disposed on the pressure pad to heat a lateral end of the fixing rotator in the axial direction of the fixing rotator. The thermal conduction aid is interposed between the pressure pad and the fixing rotator to decrease a temperature gradient of the fixing rotator in an axial direction of the fixing rotator. The pressure pad includes a nip-side face disposed opposite the thermal conduction aid. The lateral end heater includes a nip-side face being disposed opposite the thermal conduction aid and projecting beyond the nip-side face of the pressure pad.