发明名称 |
Postprocessing apparatus, and image forming apparatus and image forming system including the postprocessing apparatus |
摘要 |
A postprocessing apparatus includes a stacking unit that stacks a sheet, an abutting unit that corrects a conveying direction of the sheet, a return roller that abuts the sheet against the abutting unit, a shift conveying unit that shifts the sheet in a width direction, and a width direction detector that detects a width direction position of the sheet. When the sheet is shifted by the shift conveying unit by a predetermined amount, passed to the return roller, and abutted against the abutting unit, distances A and B are nearly the same, where the distance A is a distance from a conveying direction position of a side of the sheet to a rear end of the sheet and the distance B is a distance from the return roller to the abutting unit. |
申请公布号 |
US9096091(B2) |
申请公布日期 |
2015.08.04 |
申请号 |
US201314091613 |
申请日期 |
2013.11.27 |
申请人 |
Ricoh Company, Limited |
发明人 |
Shibasaki Yuusuke;Suzuki Nobuyoshi;Kosuge Katsuhiro;Saito Takashi;Matsushita Shingo;Musha Akihiro;Okamoto Ikuhisa;Takahashi Wataru;Morinaga Takuya;Yoshida Ryuji |
分类号 |
B42C1/12;B42C1/00;B65H31/34;B65H31/02;B65H9/04;B65H9/10;G03G15/00;B65H37/04 |
主分类号 |
B42C1/12 |
代理机构 |
Harness, Dickey & Pierce, P.L.C. |
代理人 |
Harness, Dickey & Pierce, P.L.C. |
主权项 |
1. A postprocessing apparatus, comprising:
a stacking unit configured to stack and process a sheet; an abutting unit that is provided on the stacking unit and configured to abut a rear end of the sheet to correct a position of the sheet in a sheet conveying direction; a conveying unit including a rotating body that conveys the sheet to abut the rear end of the sheet against the abutting unit on the stacking unit; a shift conveying unit that is provided on a sheet conveying path at an upstream side of the stacking unit and configured to shift the sheet in a width direction perpendicular to the sheet conveying direction while conveying the sheet in the sheet conveying direction; and a width direction detector configured to detect a width direction position of the sheet on the stacking unit, wherein when the sheet on the conveying path is shifted by the shift conveying unit by a set amount until a side of the sheet is detected by the width direction detector, a distance from a position where the width direction detector is placed to a position of the rear end of the sheet, which is approximate to a bifurcation unit, in the sheet conveying direction corresponds as a distance A, and when the sheet on the stacking unit is abutted against the abutting unit by the conveying unit, a distance from a position where the conveying unit is placed to a position of the abutting unit in the sheet conveying direction corresponds as a distance B, such that the distances A and B are the same. |
地址 |
Tokyo JP |