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:
Sep. 08, 2015
Filed:
Jun. 06, 2011
Applicants:
Sung-min Park, Anyang-si, KR;
Hyun-wook Bae, Yongin-si, KR;
Jong-woo Lee, Suwon-si, KR;
Inventors:
Assignee:
SAMSUNG ELECTRONICS CO., LTD., Suwon-Si, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03G 15/08 (2006.01); G03G 21/18 (2006.01);
U.S. Cl.
CPC ...
G03G 21/1814 (2013.01); G03G 15/0865 (2013.01); G03G 15/0868 (2013.01); G03G 15/0877 (2013.01); G03G 15/0891 (2013.01); G03G 15/0834 (2013.01); G03G 2215/0836 (2013.01); G03G 2215/0844 (2013.01);
Abstract
A developing unit includes a toner storage portion containing toner and a toner supply member, and a development portion disposed above the toner storage portion. A partition wall divides the toner storage portion from the development portion. The partition wall includes a supply opening that defines a toner supply path from the toner storage portion to the development portion, and a discharge opening that defines a toner discharge path from the development portion to the toner storage portion.