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. 14, 2019
Filed:
Mar. 01, 2018
Hp Printing Korea Co., Ltd., Suwon-si, Gyeonggi-do, KR;
Young Chae Kim, Suwon, KR;
Junhui Kim, Suwon, KR;
Jin-Hong Kim, Suwon, KR;
Ji-Won Moon, Suwon, KR;
Yun Kyu Shim, Suwon, KR;
Sungwook Kang, Suwon, KR;
Sunggi Kim, Suwon, KR;
HP PRINTING KOREA CO., LTD., Suwon-si, KR;
Abstract
Disclosed is a development cartridge attachable/detachable to/from a main body of an image forming apparatus. The development cartridge includes at least a photosensitive drum to form an electrostatic latent image thereon or a developer roller to develop the electrostatic latent image by supplying a developer to the photosensitive drum, a housing to support the at least one photosensitive drum or the developer roller. A developer roller gear may be provided on a rotation shaft of the developer roller to connect to a driving gear of the main body when the development cartridge is attached to the main body, and a driven coupler provided at an end of the photosensitive drum to couple to a driving coupler located coaxially with the driving gear in the main body, based on shaft coupling when the development cartridge is attached to the main body.