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:
Dec. 29, 2015
Filed:
Nov. 02, 2012
Mitsuru Oikawa, Suwon-si, KR;
Sang-don Lee, Gwacheon-si, KR;
Jong-pil Jun, Hwaseong-si, KR;
SAMSUNG ELECTRONICS CO., LTD., Suwon-Si, KR;
Abstract
A developing device to supply toner in a developer, including a development member which receives the developer on an outer circumferential surface thereof and supplies the toner to the image bearing member, a first regulation member including a first regulating portion that forms a first doctor gap between the outer circumferential surface of the development member and the first regulating portion, and a second regulation member disposed on an upstream side of the first regulation member in a rotational direction of the development member and includes a second regulating portion that forms a second doctor gap between the outer circumferential surface of the development member and the second regulating portion, the second doctor gaps at a central portion and both end portions in a longitudinal direction of the development member being different from each other.