SHEET TRANSPORTING DEVICE AND IMAGE FORMING APPARATUS

To enhance accuracy in skew correction of a sheet compared with a configuration including no changing means configured to change the state of executing speed-gap driving in skew correcting means with reference to a characteristic of sheet transport.SOLUTION: A sheet transporting device includes: ske...

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Bibliographische Detailangaben
Hauptverfasser:	WATANABE KIYOSHI, GOTO YASUNOBU, KOIKE KATSUNORI, EGUCHI HIROTAKE, KAWAZOE YUKI, KOBORI SHUHEI
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	CINEMATOGRAPHY CONVEYING ELECTROGRAPHY ELECTROPHOTOGRAPHY HANDLING THIN OR FILAMENTARY MATERIAL HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS,CABLES HOLOGRAPHY MAGNETOGRAPHY PACKING PERFORMING OPERATIONS PHOTOGRAPHY PHYSICS STORING TRANSPORTING
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Beschreibung
Zusammenfassung:	To enhance accuracy in skew correction of a sheet compared with a configuration including no changing means configured to change the state of executing speed-gap driving in skew correcting means with reference to a characteristic of sheet transport.SOLUTION: A sheet transporting device includes: skew correcting means configured to correct any skew of a sheet by executing speed-gap driving of driving first and second transporting means arranged along a direction intersecting a direction of sheet transport for a predetermined time period with a speed gap therebetween; and changing means configured to change, with reference to a characteristic of the sheet transport, a state of executing the speed-gap driving in the skew correcting means.SELECTED DRAWING: Figure 9 【課題】斜行補正手段における速度差駆動の実行状態をシートの搬送特性に応じて変更する変更手段を備えない場合に比べて、シートの斜行補正精度を向上する。【解決手段】シートの搬送方向と交差する方向に沿って配置された第１及び第２の搬送手段を速度差を持たせて所要の時間にわたり駆動する速度差駆動を実行することにより前記シートの斜行を補正する斜行補正手段と、前記斜行補正手段における前記速度差駆動の実行状態を前記シートの搬送特性に応じて変更する変更手段と、を備える。【選択図】図９