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:
Apr. 25, 2006
Filed:
Sep. 22, 2003
Seiji Yamaguchi, Shizuoka, JP;
Masahide Kinoshita, Shizuoka, JP;
Atsushi Numagami, Kanagawa, JP;
Kazunari Murayama, Shizuoka, JP;
Takahito Ueno, Shizuoka, JP;
Masao Uyama, Shizuoka, JP;
Seiji Yamaguchi, Shizuoka, JP;
Masahide Kinoshita, Shizuoka, JP;
Atsushi Numagami, Kanagawa, JP;
Kazunari Murayama, Shizuoka, JP;
Takahito Ueno, Shizuoka, JP;
Masao Uyama, Shizuoka, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
An object of the present invention is to provide a developing apparatus capable of reducing unevenness of density of an image in a longitudinal direction of a photosensitive member. For this purpose, in the present invention, a developing apparatus includes a developer bearing member, and a developer carrying screw placed adjacently to the developer bearing member in parallel with the developer bearing member, and an inclination angle of 'a carrying surface facing in a developer carrying direction of a spiral blade of the developer carrying screw' to a shaft of the developer carrying screw is equal to or less than 60 degrees.