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:
Jul. 20, 2010
Filed:
Aug. 23, 2006
Applicants:
Masahiro Yagi, Ibaraki, JP;
Toshio Ogiso, Ibaraki, JP;
Shigeru Obata, Ibaraki, JP;
Chikara Hiraoka, Ibaraki, JP;
Toru Hanashima, Ibaraki, JP;
Osamu Saito, Ibaraki, JP;
Inventors:
Masahiro Yagi, Ibaraki, JP;
Toshio Ogiso, Ibaraki, JP;
Shigeru Obata, Ibaraki, JP;
Chikara Hiraoka, Ibaraki, JP;
Toru Hanashima, Ibaraki, JP;
Osamu Saito, Ibaraki, JP;
Assignee:
Ricoh Company, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03G 15/20 (2006.01);
U.S. Cl.
CPC ...
Abstract
A ratio of a radius of curvature of a pressure applying member with an elastic layer, which pushes an endless belt wound around an endless heating member with pressure, in a transferring direction to a radius of curvature of an outer diameter of the heating roller is set to 1.1 or more.