Patents by Inventor Jae Kyung MIN

Jae Kyung MIN 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).

  • Multi-degree of freedom torque-free linkage unit
    Patent number: 10537999
    Abstract: The present invention provides a multi-degree of freedom torque-free linkage unit comprising: a root link; a base link; and a first link spaced from a first joint, and comprises a counterbalancer including a first counterbalancer which enables gravity compensation of the first link, and a curved parallelogram unit comprising: a base part location-fixed and arranged at the root link; a first base part rotatably provided to the base link and the first joint formed by the first link, and connected to the first counterbalancer; and a parallelogram transfer part for connecting the base part and the first base part and forming a reference position for gravity compensation of another link connected to the base link by rotating the first base part on the first joint when the base link moves relatively with respect to the root link.
    Type: Grant
    Filed: October 21, 2014
    Date of Patent: January 21, 2020
    Assignee: Korea University Research and Business Foundation
    Inventors: Jae Bok Song, Hwi Su Kim, Jae Kyung Min
  • MULTI-DEGREE OF FREEDOM TORQUE-FREE LINKAGE UNIT
    Publication number: 20160332312
    Abstract: The present invention provides a multi-degree of freedom torque-free linkage unit comprising: a root link; a base link; and a first link spaced from a first joint, and comprises a counterbalancer including a first counterbalancer which enables gravity compensation of the first link, and a curved parallelogram unit comprising: a base part location-fixed and arranged at the root link; a first base part rotatably provided to the base link and the first joint formed by the first link, and connected to the first counterbalancer; and a parallelogram transfer part for connecting the base part and the first base part and forming a reference position for gravity compensation of another link connected to the base link by rotating the first base part on the first joint when the base link moves relatively with respect to the root link.
    Type: Application
    Filed: October 21, 2014
    Publication date: November 17, 2016
    Applicant: KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATION
    Inventors: Jae Bok SONG, Hwi Su KIM, Jae Kyung MIN