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:
Oct. 09, 2012
Filed:
Aug. 14, 2009
Hwi Kyu Choi, Anyang-Si, KR;
Moon Bae Park, Suwon-Si, KR;
Hwi Kyu Choi, Anyang-Si, KR;
Moon Bae Park, Suwon-Si, KR;
Samsung Electronics Co., Ltd., Suwon-Si, KR;
Abstract
An image forming apparatus and a transfer device disclosed herein are configured to move positions of transfer rollers to perform different modes of printing operation, such as black-and-white and color printing. The image forming apparatus may include a plurality of photosensitive bodies, on each of which an image may be formed, and a plurality of transfer units. Each transfer unit includes a transfer roller arranged to correspond to an associated one of the photosensitive bodies and an elastic member configured to press the transfer roller to the corresponding photosensitive body. The image forming apparatus further includes a slider configured to move along a linear direction. The slider is configured to cause at least one of the transfer rollers of the transfer units move away from the corresponding photosensitive body. The slider may be driven by a drive unit.