SHEET PROCESSING DEVICE, IMAGE FORMING DEVICE AND IMAGE FORMING SYSTEM
To provide a sheet processing device which performs the drive of a plurality of roller pairs for executing folding processing by a single driving system, and can individually perform changeover of a rotation direction of each roller pair.SOLUTION: A sheet processing device comprises: a plurality of...
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Format: | Patent |
Sprache: | eng ; jpn |
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Zusammenfassung: | To provide a sheet processing device which performs the drive of a plurality of roller pairs for executing folding processing by a single driving system, and can individually perform changeover of a rotation direction of each roller pair.SOLUTION: A sheet processing device comprises: a plurality of roller pairs which convey sheets from upstream to downstream; a single drive force supply source which includes a third roller pair for forming a fold line on a sheet, between a first conveyance roller pair of the plurality of roller pairs, and a second conveyance roller pairs arranged at the downstream side of the first conveyance roller pair, and supplies drive force to the first conveyance roller pair, the second conveyance roller pair, and the third roller pair; and a drive transmission mechanism which transmits the drive force to each roller pair, so as not to switch the rotary direction of the first conveyance roller pair, even if the direction of the drive force is switched so as to switch the rotary direction of the second conveyance roller pair, when rotating the first conveyance roller pair and the second conveyance roller pair, by the drive force from the drive force supply source.SELECTED DRAWING: Figure 8
【課題】折り加工を施すための複数のローラ対の駆動を単一の駆動系によって行い、各ローラ対の回転方向の切り替えは個別にできるシート処理装置を提供する。【解決手段】上流から下流へシートを搬送する複数のローラ対と、複数のローラ対のうちの第一搬送ローラ対と、当該第一搬送ローラ対よりも下流側に配置される第二搬送ローラ対との間に、シートに折り目を形成するための第三ローラ対を備え、第一搬送ローラ対、第二搬送ローラ対、第三ローラ対に対し、駆動力を供給する単一の駆動力供給源と、駆動力供給源からの駆動力により、第一搬送ローラ対と第二搬送ローラ対を回転させる際、第二搬送ローラ対の回転方向を切り替えるように駆動力の方向が切り替わっても第一搬送ローラ対の回転方向は切り替わらないように、駆動力を各ローラ対に伝達させる駆動伝達機構を有するシート処理装置による。【選択図】図8 |
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