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. 27, 2018
Filed:
Dec. 16, 2016
Applicant:
Konica Minolta, Inc., Chiyoda-ku, Tokyo, JP;
Inventors:
Noboru Oomoto, Toyokawa, JP;
Tadayasu Sekioka, Toyohashi, JP;
Sayaka Morita, Gamagori, JP;
Keita Saito, Settsu, JP;
Assignee:
KONICA MINOLTA, INC., Chiyoda-Ku, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 15/20 (2006.01);
U.S. Cl.
CPC ...
G03G 15/2028 (2013.01); G03G 15/2017 (2013.01); G03G 15/2085 (2013.01); G03G 2215/2045 (2013.01);
Abstract
A fixing device is equipped with a lower pressure roller, an upper pressure roller and a fixing belt which fix a toner image onto a sheet, by holding and conveying the sheet by a nip portion, and a control unit which controls rotation of the lower pressure roller. The control unit periodically changes a velocity of rotational drive of the lower pressure roller, at a frequency of which a period is shorter than a time needed for the sheet to pass through the nip portion, when the sheet passes through the nip portion.