公开(公告)号：JP2009119686A

公开(公告)日：2009-06-04

申请号：JP2007295298

申请日：2007-11-14

申请人： Ricoh Co Ltd ,  株式会社リコー

发明人： NAKAMURA KEI ,  SATO NOBUYUKI

IPC分类号： B41J15/16 ,  B65H23/06

CPC分类号： B65H16/103 ,  B65H16/028 ,  B65H23/063 ,  B65H2220/09 ,  B65H2402/545 ,  B65H2515/32 ,  B65H2553/51 ,  B65H2801/06 ,  B65H2801/36 ,  B65H2220/01

摘要： PROBLEM TO BE SOLVED: To provide a roll conveying device which can control the drive rotation of a roll while giving target tension at all times by a simple constitution, and can obtain stable conveyance suppressing the skew of a recording medium, and to provide an image forming apparatus. SOLUTION: The roll conveying device has a torsion coil spring 71 prepared between a driving transmission rod 68 of the upstream side in a driving transmission direction of a driving motor 64 and a driving shaft axis 69 of the downstream side, a torsion amount sensing means equipped with encoders 72, 73 for sensing torsion amounts of both sides of the torsion coil spring 71 and encoder sensors 74, 75, and a control means which gives predetermined back tension to a roll sheet 60 by controlling the torsion amounts of the torsion coil spring 71 on the basis of signals of the torsion amount sensing means. COPYRIGHT: (C)2009,JPO&INPIT

摘要翻译： 要解决的问题：提供一种能够通过简单的结构一直提供目标张力来控制辊的驱动旋转的辊输送装置，并且可以获得稳定的输送，抑制记录介质的倾斜，并且 提供图像形成装置。 解决方案：辊输送装置具有制动在驱动电动机64的驱动传递方向的上游侧的驱动传动杆68与下游侧的驱动轴轴69之间的扭力螺旋弹簧71， 传感装置配备有用于检测扭转螺旋弹簧71和编码器传感器74,75的两侧的扭转量的编码器72,73，以及控制装置，其通过控制扭转扭转量向辊片60提供预定的反向张力 螺旋弹簧71基于扭转量检测装置的信号。 版权所有（C）2009，JPO＆INPIT