公开(公告)号：US20110217090A1

公开(公告)日：2011-09-08

申请号：US13037676

申请日：2011-03-01

Applicant: Shinji Yamamoto ,  Yasumi Yoshida ,  Toshihiro Fukasaka ,  Tadashi Matsumoto ,  Takashi Hiratsuka ,  Sumitoshi Sotome

Inventor： Shinji Yamamoto ,  Yasumi Yoshida ,  Toshihiro Fukasaka ,  Tadashi Matsumoto ,  Takashi Hiratsuka ,  Sumitoshi Sotome

IPC: G03G15/01

CPC classification number: G03G15/01

Abstract: An image forming apparatus includes an image bearing member; a rotatable belt member for carrying a toner image transferred from the image bearing member or for carrying a recording material carrying a toner image transferred from the image bearing member; a rotatable supporting roller for stretching the belt member; a steering roller for stretching the belt member and for moving the belt member in a widthwise direction by inclining operation; detecting means for detecting a position of the belt member with respect to the widthwise direction; first control means, responsive to an output of the detecting means, for controlling an amount inclining operation of the steering roller to control a force of moving the belt member in the widthwise direction; and second control means, responsive to an output of the detecting means, for controlling an amount inclining operation of the steering roller to displacing the belt member in the widthwise direction.

Abstract translation: 图像形成装置包括：图像承载部件; 用于承载从图像承载部件转印的调色剂图像或用于承载携带从图像承载部件转印的调色剂图像的记录材料的可旋转带部件; 用于拉伸带构件的可旋转支撑辊; 用于使所述带构件拉伸并通过倾斜操作沿所述宽度方向移动所述带构件的转向辊; 用于检测所述带构件相对于所述宽度方向的位置的检测装置; 第一控制装置，响应于所述检测装置的输出，用于控制所述转向辊的倾斜操作的量，以控制沿所述宽度方向移动所述带构件的力; 以及第二控制装置，响应于检测装置的输出，用于控制转向辊的倾斜操作量以使带构件沿宽度方向移位。