Patents by Inventor Yoon-kyung Cho

Yoon-kyung Cho 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).

  • Wheel driving assembly of a moving apparatus
    Patent number: 7975790
    Abstract: A wheel driving apparatus for a moving apparatus is provided. The wheel driving apparatus includes a wheel, a driving motor to generate a driving power to rotate the wheel, a gear box to transmit the rotational force of the driving motor to the wheel, and a guide shaft movable vertically with respect to the base member, wherein the wheel, the driving motor, the gear box, and the guide shaft are connected integrally with each other to move vertically with respect to the base member in unison.
    Type: Grant
    Filed: May 16, 2008
    Date of Patent: July 12, 2011
    Assignee: Samsung Gwangju Electronics Co., Ltd.
    Inventors: Myeong-ho Kim, Sam-jong Jeung, Jeong-gon Song, Il-du Jung, Ju-sang Lee, Heung-yi Kim, Sam-hyun Choi, Jang-youn Ko, Kyoung-woung Kim, Dae-hyung Kim, Hak-bong Lee, Yoon-kyung Cho
  • Wheel driving assembly of a moving apparatus
    Publication number: 20090071732
    Abstract: A wheel driving apparatus for a moving apparatus is provided. The wheel driving apparatus includes a wheel, a driving motor to generate a driving power to rotate the wheel, a gear box to transmit the rotational force of the driving motor to the wheel, and a guide shaft movable vertically with respect to the base member, wherein the wheel, the driving motor, the gear box, and the guide shaft are connected integrally with each other to move vertically with respect to the base member in unison.
    Type: Application
    Filed: May 16, 2008
    Publication date: March 19, 2009
    Inventors: Myeong-ho Kim, Sam-jong Jeoung, Jeong-gon Song, Il-du Jung, Ju-sang Lee, Heung-yi Kim, Sam-hyun Choi, Jang-youn Ko, Kyoung-woung Kim, Dae-hyung Kim, Hak-bong Lee, Yoon-kyung Cho