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:
Nov. 07, 2017
Filed:
Mar. 08, 2016
Ryuuichi Mimbu, Kanagawa, JP;
Yoshio Hattori, Kanagawa, JP;
Haruyuki Honda, Kanagawa, JP;
Toshihiko Shimokawa, Kanagawa, JP;
Yoshiki Yamaguchi, Kanagawa, JP;
Ryuuichi Mimbu, Kanagawa, JP;
Yoshio Hattori, Kanagawa, JP;
Haruyuki Honda, Kanagawa, JP;
Toshihiko Shimokawa, Kanagawa, JP;
Yoshiki Yamaguchi, Kanagawa, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
An image forming apparatus includes an image forming device to transfer an image to a recording sheet; a fixing device to feed the recording sheet and fix the image onto the recording sheet; a branching device to switch between an ejection path to eject the recording sheet fed downstream of the fixing device, to outside the apparatus, and a reversing path for duplex printing; and a back curl correction structure disposed in a sheet feeding path between the fixing device and the branching device. The back curl correction structure includes a drive roller; a driven roller; an auxiliary nip portion; a guide member; and a guide moving device to move the guide member to a first position and a second position depending on the condition of the recording sheet.