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:
Dec. 24, 2019
Filed:
Jul. 10, 2019
Applicants:
Kazuhiko Watanabe, Tokyo, JP;
Hiroshi Nakai, Kanagawa, JP;
Hiroshi Mizusawa, Tokyo, JP;
Tomoyuki Kirigane, Kanagawa, JP;
Yasuhide Nakazawa, Kanagawa, JP;
Inventors:
Kazuhiko Watanabe, Tokyo, JP;
Hiroshi Nakai, Kanagawa, JP;
Hiroshi Mizusawa, Tokyo, JP;
Tomoyuki Kirigane, Kanagawa, JP;
Yasuhide Nakazawa, Kanagawa, JP;
Assignee:
Ricoh Company, Ltd., Tokyo, JP;
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 21/0076 (2013.01); G03G 21/1814 (2013.01);
Abstract
A cleaning blade includes an edge portion made of an elastic material having a rebound resilience value R35 at 35° C. and a 100% modulus value M35 at 35° C. that satisfy the relation R35≤−4.8 M35+42.