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. 29, 2012
Filed:
Oct. 06, 2009
Applicant:
Shinya Mimura, Osaka, JP;
Inventor:
Shinya Mimura, Osaka, JP;
Assignee:
Sharp Kabushiki Kaisha, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 15/00 (2006.01); G03G 15/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
A developing cartridge includes: a developing roller for developing an electrostatic latent image on a photoconductor with a toner; and a developing tank for storing the toner to be supplied to the developing roller, the developing tank including: a toner receiving port for receiving the toner to be stored; a shutter having a function for sliding to open and close the toner receiving port, the shutter being adapted to be maintained in a closed state by an electrically-releasing adhesive; and a pair of conductive member for supplying an electric current to the electrically-releasing adhesive to open the shutter.