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Title:
SHEET POST-PROCESSING DEVICE AND IMAGE FORMATION APPARATUS
Document Type and Number:
Japanese Patent JP2016216185
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a sheet post-processing device capable of accurately performing a folding operation.SOLUTION: A folding processing unit 208 of a sheet post-processing device comprises: a first conveyance path 31; an upstream conveyance roller 51 and downstream conveyance roller 52; a folding roller 53 between the upstream conveyance roller 51 and downstream conveyance roller 52; and a second folding roller 255. The folding roller 53 folds a sheet 90 with a first nip part 54 between the two rollers. The second folding roller 255 is arranged on the downstream side with respect to the first nip part 54. An end surface detection sensor 258 for detecting an end surface E1 of the sheet 90 is arranged on the downstream side with respect to the first nip part 34 of the first conveyance path 31. The second folding roller 255 further folds the sheet 90 by holding the sheet 90 folded by the first nip part 54 with a second nip part 256 on the basis of the detection result of the end surface detection sensor 258.SELECTED DRAWING: Figure 12

Inventors:
HAMA RIICHI
INOUE TAKUYA
Application Number:
JP2015102456A
Publication Date:
December 22, 2016
Filing Date:
May 20, 2015
Export Citation:
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Assignee:
KONICA MINOLTA INC
International Classes:
B65H45/18; B65H37/06; G03G15/00
Domestic Patent References:
JP2014125312A2014-07-07
JP2007022693A2007-02-01
Foreign References:
US20040155394A12004-08-12
Attorney, Agent or Firm:
Yutaka Tsubaki



 
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