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:
May. 08, 2018
Filed:
Jun. 09, 2017
Applicant:
Konica Minolta, Inc., Chiyoda-ku, Tokyo, JP;
Inventors:
Kazuteru Ishizuka, Saitama, JP;
Hiroshi Morimoto, Tokyo, JP;
Wataru Watanabe, Tokyo, JP;
Tatsuya Furuta, Tokyo, JP;
Shota Sakurai, Tokyo, JP;
Assignee:
KONICA MINOLTA, INC., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 15/09 (2006.01); G03G 15/095 (2006.01); G03G 21/16 (2006.01);
U.S. Cl.
CPC ...
G03G 15/095 (2013.01); G03G 15/09 (2013.01); G03G 21/1647 (2013.01);
Abstract
A developing device includes a first developing roller, a second developing roller, a first end portion configured to restrict the amount of developer on the second developing roller, a restriction member, and a collecting roller configured to collect developer on the first developing roller. The second end portion is located at a position where magnetic force interference with a magnetic force generated by the second developing roller and the collecting roller is not caused.