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.

Date of Patent:
Sep. 15, 2020

Filed:

Aug. 08, 2019
Applicant:

Toshiba Tec Kabushiki Kaisha, Tokyo, JP;

Inventor:

Norio Kouzu, Mishima Shizuoka, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 15/16 (2006.01); G03G 21/12 (2006.01); G03G 21/16 (2006.01);
U.S. Cl.
CPC ...
G03G 15/161 (2013.01); G03G 15/1615 (2013.01); G03G 15/1685 (2013.01); G03G 21/12 (2013.01); G03G 21/1647 (2013.01);
Abstract

An image forming apparatus includes photosensitive drums, a transfer belt having an outer surface facing the photosensitive drums, a tension roller in contact with an inner surface of the transfer belt, a cam in contact with the tension roller and movable to a first position to increase the tension to the transfer belt and a second position to decrease the tension to the transfer belt, a support having a supporting surface facing the outer surface of the transfer belt, and a lever mechanically linked to the cam and the support and rotatable from a third position at which the cam is in the first position to a fourth position at which the cam is in the second position. As the lever is moved from the third to the fourth position, the supporting surface is raised against the outer surface of the transfer belt.


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