The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 29, 2005
Filed:
Mar. 07, 2003
Hidenori Iwanaga, Ibaraki, JP;
Tsukasa Onose, Ibaraki, JP;
Takeshi Terakado, Ibaraki, JP;
Yuji Ohmura, Ibaraki, JP;
Hidenori Iwanaga, Ibaraki, JP;
Tsukasa Onose, Ibaraki, JP;
Takeshi Terakado, Ibaraki, JP;
Yuji Ohmura, Ibaraki, JP;
Ricoh Printing Systems, Ltd., Tokyo, JP;
Abstract
A printing apparatus includes a conveyance mechanism for conveying a web to a transfer unit, and a tension generating mechanism for applying a tension to the web fed to the conveyance mechanism, wherein the tension generating mechanism includes a tension generating roller for changing the tension to be applied to the web in accordance with the rotational position, a tension guide that is rotated in accordance with the magnitude of tension generated by the roller, a first sensor for sensing the rotational position of the tension guide, a second sensor for sensing the rotational position of the tension generating roller, and a driver for controlling the rotation of the motor in accordance with the outputs of the first and second sensors.