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. 17, 2012
Filed:
Jul. 23, 2009
Sun-woo Lee, Hwaseong-si, KR;
Won-chul Jung, Suwon-si, KR;
Myung-ho Kyung, Suwon-si, KR;
Samsung Electronics Co., Ltd., Suwon-si, KR;
Abstract
An image forming apparatus may include: a plurality of image bearing members; an exposure unit; a developing unit; a transfer unit including a plurality of transfer rollers and a plurality of erasers each disposed between the transfer rollers; and a fixing unit. The eraser may be disposed in a zone Zsatisfying the following formula:1≦1≦3;1=4.5 mm;3=4.5 mm; and 9.0 mm< Here, Dmay be an allowable minimum distance between an end part of the eraser and a center of a first transfer nip between a first image bearing member and a first transfer roller; Dmay be an allowable minimum distance between the end part of the eraser and a center of a second transfer nip between a second image bearing member and a second transfer roller; and D may be a distance between the centers of the transfer nips.