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:
Oct. 16, 2018
Filed:
Jul. 14, 2015
S-printing Solution Co., Ltd., Suwon-si, KR;
Mitsuru Oikawa, Seongnam-si, KR;
Jin-hong Kim, Gwangmyeong-si, KR;
Dae-ho Kim, Seoul, KR;
Jun-hee Lee, Suwon-si, KR;
S-PRINTING SOLUTION CO., LTD., Suwon-si, KR;
Abstract
A developing apparatus for an image forming apparatus comprises: a developing roller; a developing housing which rotatably supports the developing roller and receives a two-component developer; a first mixing member installed in the developing housing to mix the developer; and a second mixing member installed in the developing housing to be parallel to the first mixing member and adjacent to the developing roller, wherein the second mixing member comprises: a shaft; a spiral wing part formed along the shaft; and a plurality of ribs formed so as to protrude from the surface of the shaft.