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. 17, 2012
Filed:
Dec. 16, 2008
Hiroshi Kawahito, Nara, JP;
Masanobu Deguchi, Kashiba, JP;
Yasuyuki Ishiguro, Higashiosaka, JP;
Sharp Kabushiki Kaisha, Osaka, JP;
Abstract
A developing device includes a developer reservoir having developer stored therein, a developing roller for carrying developer, a sealing member which is brought into close contact with the developer portion so as to cover a communication port in communication with inside of the developer reservoir, and a sealing passing member for passing the sealing member peeled off the developer reservoir, wherein the sealing member is peeled off the developer reservoir to open the communication port and the sealing passing member has an opening with an approximately elliptical shape, through which the sealing member passes.