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:
Sep. 04, 2007
Filed:
Aug. 09, 2004
Applicants:
Yasushi Fujiwara, Nagoya, JP;
Seiichi Senda, Nagoya, JP;
Takehiro Masuda, Nagoya, JP;
Inventors:
Assignee:
Brother Kogyo Kabushiki Kaisha, Nagoya, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03G 15/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
In a fixing portion, a heating roller and a pressure roller are provided. An angle of separation θ (°), the temperature T(° C.) of the surface of the heating roller, the diameter D(mm) of the pressure roller, and the width W(mm) of a nip part are set to satisfy the following inequality: 114≦0.55 T−2.36θ−1.59 D+8.62 W≦144.