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. 20, 2009
Filed:
Jan. 31, 2006
Image forming apparatus having a power controlling device that controls power supplied to developers
Sung-dae Kim, Suwon-si, KR;
Cheol-young Han, Yongin-si, KR;
Young-min Yoon, Yongin-si, KR;
Samsung Electronics Co., Ltd., Suwon-Si, KR;
Abstract
Provided is an image forming apparatus for printing a desired image. The image forming apparatus comprises a first developing unit comprising a first fixed power transmission unit, a second developing unit comprising a second fixed power transmission unit, a first sliding power transmission unit comprising a first interconnection portion placed slidably along a first axis of the first fixed power transmission unit, a second sliding power transmission unit comprising a second interconnection portion placed slidably along a second axis of the second fixed power transmission unit, and a clutching unit comprising a rotating element having a plurality of pushing bosses protruding towards at least one of the first and second sliding power transmission units, at least one of the pushing bosses selectively contacting at least one of the first and second sliding power transmission units when the rotating element is rotated, so that at least one of the first and second sliding power transmission units is slid towards at least one of the first and second fixed power transmission units to couple with or separate from at least one of the first and second fixed power transmission units, respectively.