Sheet processing device, image forming system, and sheet processing method

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United States of America Patent

PATENT NO 9993987
SERIAL NO

14882986

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A sheet processing device includes: a conveying module that conveys a folded sheet; and a pressing module that presses a folded part of the folded sheet by rotating about a direction orthogonal to a sheet conveying direction of the conveying module as a rotation axis. The pressing module includes a projecting part arranged in a certain range in a direction of the rotation axis along a circumferential surface about the rotation axis. The projecting part is formed to be symmetric with respect to a middle part of the rotation axis in the direction of the rotation axis, and the projecting part arranged on one side from the middle part along the direction of the rotation axis are formed such that a position of the projecting part in a rotational direction of the circumferential surface varies along the direction of the rotation axis.

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Patent Owner(s)

Patent OwnerAddress
RICOH COMPANY LIMITED3-6 NAKAMAGOME 1-CHOME OHTA-KU TOKYO 143-8555

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Furuhashi, Tomohiro Kanagawa, JP 81 634
Hoshino, Tomomichi Kanagawa, JP 48 172
Kunieda, Akira Tokyo, JP 75 757
Saito, Satoshi Kanagawa, JP 194 1851
Sakano, Koki Kanagawa, JP 23 72
Suzuki, Michitaka Kanagawa, JP 45 482
Suzuki, Yuji Kanagawa, JP 316 2506
Watanabe, Takahiro Kanagawa, JP 162 1433
Watanabe, Takao Kanagawa, JP 209 3423

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