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:
Jan. 06, 2004
Filed:
Nov. 28, 2000
Applicant:
Inventors:
Takashi Kusaba, Sunto-gun, JP;
Akihiko Nakazawa, Sunto-gun, JP;
Akira Shimada, Sunto-gun, JP;
Tsunenori Ashibe, Yokohama, JP;
Hidekazu Matsuda, Numazu, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 1/516 ;
U.S. Cl.
CPC ...
G03G 1/516 ;
Abstract
A transfer belt having a long service life and an image forming apparatus provided with the belt are provided. A serpentine motion preventing member ( ,) provided on at least one side portion of an inner circumferential surface of an endless belt body ( ) on which a toner image formed on an image bearing member is transferred on an outer circumference and retained by a retainer groove (R ) formed on a roller serpentine motion preventing member ( ) away from the belt body ( ). Accordingly, damage to the belt body ( ) is prevented.