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:
Nov. 12, 2013
Filed:
Feb. 02, 2007
Jong-moon Eun, Yongin-si, KR;
Tae-hyun Kim, Suwon-si, KR;
Jong-moon Eun, Yongin-si, KR;
Tae-hyun Kim, Suwon-si, KR;
Samsung Electronics Co., Ltd., Suwon-si, KR;
Abstract
A supply roller of a developing device for an image forming apparatus and a method of manufacturing the same are provided, which is small and exhibits excellent toner supply properties while preventing occurrence of the ghost phenomenon and toner-filming phenomenon, which cause a deterioration in image quality. The supply roller of the developing device for the image forming apparatus according to the present invention includes a shaft, and a conductive resilient member enclosing an outer circumference of the shaft. The conductive resilient member has a density of about 60 kg/mto about 120 kg/m, and an outer diameter of about 8.0 mm to about 10.0 mm.