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. 08, 2005
Filed:
Nov. 07, 2003
Yasunao Otomo, Mishima, JP;
Kazumi Yamauchi, Shizuoka-ken, JP;
Norihito Naito, Numazu, JP;
Hideaki Hasegawa, Susono, JP;
Nobuo Oshima, Shizuoka-ken, JP;
Yasunao Otomo, Mishima, JP;
Kazumi Yamauchi, Shizuoka-ken, JP;
Norihito Naito, Numazu, JP;
Hideaki Hasegawa, Susono, JP;
Nobuo Oshima, Shizuoka-ken, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A developing blade member for regulating a thickness of a layer of a developer on a peripheral surface of a rotatable developing roller enclosing a magnet roller, wherein a scraper for scraping the developer toward longitudinally inside of the developing roller is provided at a longitudinal end of the developing roller, the developing blade member including an elastic member for regulating the thickness of the layer of the developer on the peripheral surface of the developing roller; a metal plate for supporting the elastic member; a projection projecting toward the developing roller, the projection being provided at each of longitudinal ends of the metal plate, wherein an inside end of the projection, with respect to the longitudinal direction of the developing roller, is disposed inside of an inside end of the scraper and in a non-image-formation region.