Patents by Inventor Duk Kon RYOO

Duk Kon RYOO 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).

  • Caster capable of removing foreign substance
    Patent number: 10196048
    Abstract: A caster capable of removing a foreign substance includes a flange mounted to a carrier or a plate on which cargo is loaded so as to be spaced apart from a lower surface of the carrier or the plate, the flange having a plurality of coupling holes formed therein, a rotator rotatably mounted to a lower surface of the flange, lower support members mounted respectively to opposite sides of the rotator, each lower support member having a rotating shaft coupling hole formed in a lower portion thereof, a wheel located between the lower support members and supported by a rotating shaft, which penetrates the rotating shaft coupling hole, and a foreign substance removal device fixed to and supported by the rotating shaft, the foreign substance removal device serving to remove and collect the foreign substance attached to a surface of the wheel that is being rotated.
    Type: Grant
    Filed: August 25, 2015
    Date of Patent: February 5, 2019
    Assignee: DONG YANG LOGITECH CO., LTD.
    Inventors: Hyeong Min Yoon, Duk Kon Ryoo
  • CASTER CAPABLE OF REMOVING FOREIGN SUBSTANCE
    Publication number: 20170267217
    Abstract: A caster capable of removing a foreign substance includes a flange mounted to a carrier or a plate on which cargo is loaded so as to be spaced apart from a lower surface of the carrier or the plate, the flange having a plurality of coupling holes formed therein, a rotator rotatably mounted to a lower surface of the flange, lower support members mounted respectively to opposite sides of the rotator, each lower support member having a rotating shaft coupling hole formed in a lower portion thereof, a wheel located between the lower support members and supported by a rotating shaft, which penetrates the rotating shaft coupling hole, and a foreign substance removal device fixed to and supported by the rotating shaft, the foreign substance removal device serving to remove and collect the foreign substance attached to a surface of the wheel that is being rotated.
    Type: Application
    Filed: August 25, 2015
    Publication date: September 21, 2017
    Inventors: Hyeong Min YOON, Duk Kon RYOO