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:
Mar. 09, 2004
Filed:
Jul. 07, 2000
Applicant:
Inventors:
Hiroshi Kawamura, Numazu, JP;
Hiroshi Kawaguchi, Numazu, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 1/520 ;
U.S. Cl.
CPC ...
G03G 1/520 ;
Abstract
An image forming apparatus comprises a belt member, a roller for supporting the belt member, a retainer for retaining a rotating shaft of the roller such that the roller retained by the retainer can be moved only in a predetermined one direction, an image forming device for forming an image on the belt member, wherein the image formed on the belt member by the image forming device is transferred to a recording material, and a detachable cleaning unit having a cleaning member for cleaning the belt member in contact with a surface of the belt member supported by the roller, wherein the cleaning unit is positioned by the retainer.