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:
Nov. 26, 2024
Filed:
Jan. 27, 2022
Applicants:
Masahiro Ohmori, Kanagawa, JP;
Keiichiro Juri, Kanagawa, JP;
Hideki Kimura, Kanagawa, JP;
Inventors:
Assignee:
RICOH COMPANY, LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 21/00 (2006.01); G03G 21/18 (2006.01);
U.S. Cl.
CPC ...
G03G 21/0017 (2013.01); G03G 21/0094 (2013.01); G03G 21/1814 (2013.01);
Abstract
A cleaning blade for cleaning a rotating body is provided. The cleaning blade includes: an edge layer having a tip portion that comes into contact with the rotating body; and a coating layer on the tip portion of the edge layer. The coating layer contains a first fluorine-based resin and a second fluorine-based resin incompatible with the first fluorine-based resin. The cleaning blade has a Martens hardness of from 0.5 to 3 N/mmat a position 20 μm distant from a tip edge portion of the edge layer.