Patents by Inventor Kyeong Sook YOON

Kyeong Sook YOON 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).

  • Movable magnet bicycle pedal, and shoe coupling device equipped with means for preventing attachment of metal powder
    Patent number: 12005993
    Abstract: The present invention relates to a movable magnet type bicycle pedal, and a shoe coupling device equipped with a means for preventing attachment of metal powder. More particularly, the present invention relates to a movable magnet type bicycle pedal and a shoe coupling device equipped with a means for preventing attachment of metal powder, wherein the shoe coupling device and the pedal are respectively provided with a magnet, and are coupled to each other by magnetic force only during pedaling, and, when the pedaling is stopped or the running of a bicycle is stopped, the coupling between the magnets is released through a magnetic separation means and at the same time metal powder attached to a shoe is caused to fall so as to prevent the metal powder from being attached to the shoe.
    Type: Grant
    Filed: November 27, 2019
    Date of Patent: June 11, 2024
    Inventors: Do Young Kim, Kyeong Sook Yoon, Ji Heon Kim, Ji Seong Kim
  • MOVABLE MAGNET TYPE BICYCLE PEDAL, AND SHOE COUPLING DEVICE EQUIPPED WITH MEANS FOR PREVENTING ATTACHMENT OF METAL POWDER
    Publication number: 20220055714
    Abstract: The present invention relates to a movable magnet type bicycle pedal, and a shoe coupling device equipped with a means for preventing attachment of metal powder. More particularly, the present invention relates to a movable magnet type bicycle pedal and a shoe coupling device equipped with a means for preventing attachment of metal powder, wherein the shoe coupling device and the pedal are respectively provided with a magnet, and are coupled to each other by magnetic force only during pedaling, and, when the pedaling is stopped or the running of a bicycle is stopped, the coupling between the magnets is released through a magnetic separation means and at the same time metal powder attached to a shoe is caused to fall so as to prevent the metal powder from being attached to the shoe.
    Type: Application
    Filed: November 27, 2019
    Publication date: February 24, 2022
    Inventors: Do Young KIM, Kyeong Sook YOON, Ji Heon KIM, Ji Seong KIM