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. 30, 2017
Filed:
Aug. 18, 2015
Applicants:
Jun Aoto, Kanagawa, JP;
Masaki Yoshino, Kanagawa, JP;
Tomoko Kino, Kanagawa, JP;
Tojiro Aoyama, Kanagawa, JP;
Yuta Shimizu, Kanagawa, JP;
Inventors:
Jun Aoto, Kanagawa, JP;
Masaki Yoshino, Kanagawa, JP;
Tomoko Kino, Kanagawa, JP;
Tojiro Aoyama, Kanagawa, JP;
Yuta Shimizu, Kanagawa, JP;
Assignee:
RICOH COMPANY, LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 15/20 (2006.01); G03G 15/16 (2006.01); G03G 15/08 (2006.01);
U.S. Cl.
CPC ...
G03G 15/2017 (2013.01); G03G 15/1615 (2013.01); G03G 15/0806 (2013.01); G03G 2215/00156 (2013.01); G03G 2215/1623 (2013.01); G03G 2215/2032 (2013.01);
Abstract
Provided is a belt driving roller for a belt driving device configured to drive and rotate an endless belt with at least one driving roller of a plurality of rollers over which the belt is hung by its internal surface, wherein the belt driving roller includes an electroviscosity retaining member of which surface viscosity force reversibly changes under an effect of an electric field.