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:
Jun. 24, 2008
Filed:
Feb. 21, 2007
Applicant:
Michiaki Ito, Tokyo, JP;
Inventor:
Michiaki Ito, Tokyo, JP;
Assignee:
Oki Data Corporation, Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03G 15/01 (2006.01);
U.S. Cl.
CPC ...
Abstract
A belt unit includes an endless belt and a cleaning member. The endless belt has a value of ten-point height of roughness Rz not larger than 0.2 μm, a value of shininess not less than 100, a creep not larger than 0.03%. The cleaning member is in contact with said endless belt and removes foreign matter adhering to said endless belt. The belt unit may be applied to an image forming apparatus either of direct transfer type and intermediate transfer type.