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:
Aug. 20, 2019
Filed:
Feb. 03, 2017
Applicant:
Ricoh Company, Ltd., Tokyo, JP;
Inventors:
Assignee:
RICOH COMPANY, LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03G 15/16 (2006.01); G03G 21/00 (2006.01); G03G 15/00 (2006.01);
U.S. Cl.
CPC ...
G03G 15/161 (2013.01); G03G 15/5054 (2013.01); G03G 2215/1661 (2013.01);
Abstract
A belt device includes a movable belt, a detection target, an optical detector, and a cleaner. The belt is looped around a plurality of supporting members. The detection target is disposed extending along a direction of belt movement on at least one side of the belt in a width direction of the belt intersecting with the don of belt movement. The optical detector detects the detection target. The cleaner is attached to at least one of the plurality of supporting members to clean the detection target.