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. 07, 2018
Filed:
Jul. 26, 2016
Eisuke Shimizu, Tokyo, JP;
Kazuhiko Watanabe, Tokyo, JP;
Takaaki Tawada, Kanagawa, JP;
Yuu Sakakibara, Hokkaido, JP;
Eisuke Shimizu, Tokyo, JP;
Kazuhiko Watanabe, Tokyo, JP;
Takaaki Tawada, Kanagawa, JP;
Yuu Sakakibara, Hokkaido, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
An elastic blade includes a contact edge to contact a contact object, an edge region including the contact edge and having a thickness smaller than or equal to 0.50 mm, and a backup region different in material or property from the edge region. The backup region is adjacent to the edge region on a cross section perpendicular to a direction in which the contact edge extends. The elastic blade has a converted Martens hardness X (N/mm) in a range of from 0.9 to 2.9. The converted Martens hardness is defined as: