Patents by Inventor Ji Youp Park

Ji Youp Park has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Driving device usable with image forming apparatus and image forming apparatus having the same
    Patent number: 8583012
    Abstract: A driving device includes a motor, and first and second gears having gear teeth engaged with each other. At least one of the first gear and the second gear includes a crowning portion formed at a tooth surface of each of the gear teeth such that the center of the tooth surface is more convex than both ends of the tooth surface in a tooth width direction. A height of the crowning portion is determined to effectively compensate for misalignment between the first gear and the second gear.
    Type: Grant
    Filed: February 10, 2011
    Date of Patent: November 12, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ji Youp Park, Jong Tae Kim
  • Driving device usable with image forming apparatus and image forming apparatus having the same
    Publication number: 20120008985
    Abstract: A driving device includes a motor, and first and second gears having gear teeth engaged with each other. At least one of the first gear and the second gear includes a crowning portion formed at a tooth surface of each of the gear teeth such that the center of the tooth surface is more convex than both ends of the tooth surface in a tooth width direction. A height of the crowning portion is determined to effectively compensate for misalignment between the first gear and the second gear.
    Type: Application
    Filed: February 10, 2011
    Publication date: January 12, 2012
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ji Youp Park, Jong Tae Kim