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:
May. 18, 2004
Filed:
Jul. 30, 2002
Takeshi Kawamura, Shizuoka, JP;
Tetsuya Sano, Shizuoka, JP;
Ken Nakagawa, Shizuoka, JP;
Hikaru Osada, Shizuoka, JP;
Shuji Moriya, Shizuoka, JP;
Kenji Kanari, Shizuoka, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A developing device including a housing, a developer bearing member rotatably provided in an opening portion of the housing, a developer containing chamber, and a developer supplying and removing member being in contact with the developer bearing member, and having the function of supplying a developer in the developer containing chamber to the developer bearing member and the function of removing the developer from the developer bearing member, wherein the developer bearing member is disposed above the developer containing chamber, and the developer supplying and removing member has the function of upwardly carrying the developer in the developer containing chamber.