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. 16, 2013
Filed:
Aug. 31, 2010
Applicants:
Sang-hoon Lee, Suwon-si, KR;
Dae-seob Kweon, Suwon-si, KR;
Jong-in Kim, Suwon-si, KR;
Inventors:
Assignee:
SAMSUNG Electronics Co., Ltd., Suwon-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 15/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
A developing device includes a toner storage area containing toner, a developing portion in which a developing roller is installed, and a housing including a toner supply window to connect the toner storage area and the developing portion. A pair of rails is disposed on the toner supply window to extend in a lengthwise direction of the developing roller, and a blocking member including a blocking portion is provided to open and close the toner supply window when the blocking member is removed from and inserted into the pair of rails from outside of the housing, respectively.