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. 02, 2013
Filed:
Jul. 07, 2010
Applicants:
Young-sub Shin, Hwaseong-si, KR;
Jong-moon Eun, Seoul, KR;
Hee-won Jung, Suwon-si, KR;
Do-kwan Lee, Pohang-si, KR;
Inventors:
Young-sub Shin, Hwaseong-si, KR;
Jong-moon Eun, Seoul, KR;
Hee-won Jung, Suwon-si, KR;
Do-kwan Lee, Pohang-si, KR;
Assignee:
Samsung Electronics Co., Ltd, Suwon-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 15/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
Disclosed is a charging roller for an image forming apparatus capable of preventing the formations of surface scratches. The charging roller includes a roller shaft, a roller body formed on the roller shaft and a scratch prevention layer formed on the roller body. The scratch prevention layer contains inorganic crystal of polysilicate.