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:
Jan. 26, 2016
Filed:
Feb. 19, 2015
Masanobu Gondoh, Kanagawa, JP;
Shohei Gohda, Kanagawa, JP;
Kaori Toyama, Kanagawa, JP;
Shinji Nohsho, Tokyo, JP;
Masahiro Ohmori, Kanagawa, JP;
Yohta Sakon, Kanagawa, JP;
Hiromi Sakaguchi, Kanagawa, JP;
Yuka Aoyama, Kanagawa, JP;
Masanobu Gondoh, Kanagawa, JP;
Shohei Gohda, Kanagawa, JP;
Kaori Toyama, Kanagawa, JP;
Shinji Nohsho, Tokyo, JP;
Masahiro Ohmori, Kanagawa, JP;
Yohta Sakon, Kanagawa, JP;
Hiromi Sakaguchi, Kanagawa, JP;
Yuka Aoyama, Kanagawa, JP;
RICOH COMPANY, LTD., Tokyo, JP;
Abstract
A cleaning blade includes a supporting member, and a tabular elastic member. One end portion of the elastic member is fixed to the supporting member, and the other end portion is a free end portion whose tip edge is to be contacted with a member to be cleaned while rubbing the surface to remove a residual material therefrom. The tip portion of the free end portion of the elastic member ranging in length from 0 to 500 μm from the tip surface thereof includes at least a cured material of a curable compound and an elastic material of the elastic member. The elastic member satisfies the relationship, 0.05(%)≦[(t−t)/t]×100≦2%, wherein trepresents the maximum thickness of the tip portion of the elastic member, and trepresents the average thickness of the rear portion of the free end portion of the elastic member.