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. 26, 2019
Filed:
May. 19, 2017
Michitaka Suzuki, Kanagawa, JP;
Tomohiro Furuhashi, Kanagawa, JP;
Yuuki Nakagawa, Kanagawa, JP;
Tomomichi Hoshino, Kanagawa, JP;
Michitaka Suzuki, Kanagawa, JP;
Tomohiro Furuhashi, Kanagawa, JP;
Yuuki Nakagawa, Kanagawa, JP;
Tomomichi Hoshino, Kanagawa, JP;
RICOH COMPANY, LTD., Tokyo, JP;
Abstract
A sheet folding device, which is included in an image forming system and uses a sheet folding method, includes first and second drive motors, a first sheet conveyor driven by the first drive motor and configured to receive and convey a sheet toward a downstream side of a sheet conveying direction, a second sheet conveyor driven by the second drive motor and configured to receive the sheet conveyed from the first sheet conveyor and to convey the sheet to the downstream side of the sheet conveying direction, and a controller configured to fold the sheet to a predetermined folding length set according to an amount of conveyance of the sheet by the second sheet conveyor while the sheet is being held between the first and second sheet conveyors, and to perform a feedback control with an integral gain to the second drive motor.