Patents by Inventor Li-Jin Ji

Li-Jin Ji 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).

  • Patent number: 11307108
    Abstract: The present disclosure provides a torsion adjustment device, including a torsion receiving element, a force transmission module and an elastic force module. The torsion receiving element includes a transmission shaft coupled to a torsion mechanism. The transmission shaft is driven by a torsion applied by the torsion mechanism to rotate. The force transmission module includes a gear set and a gear turntable meshing with the gear set, and the transmission shaft is coupled to the gear set to drive the gear set to rotate by the torsion. The elastic force module includes an elastic element and a plurality of force-bearing balls. The elastic element is configured to generate an elastic force. The force-bearing balls abut between the elastic element and the gear turntable and mesh with the gear turntable. When the torsion is greater than the elastic force, the gear turntable is disengaged from the force-bearing balls and rotated.
    Type: Grant
    Filed: November 5, 2019
    Date of Patent: April 19, 2022
    Assignee: PEGATRON CORPORATION
    Inventors: Shiuan-Chai Chiang, Li-Jin Ji, Jen-Hui Wang
  • Publication number: 20200182719
    Abstract: The present disclosure provides a torsion adjustment device, including a torsion receiving element, a force transmission module and an elastic force module. The torsion receiving element includes a transmission shaft coupled to a torsion mechanism. The transmission shaft is driven by a torsion applied by the torsion mechanism to rotate. The force transmission module includes a gear set and a gear turntable meshing with the gear set, and the transmission shaft is coupled to the gear set to drive the gear set to rotate by the torsion. The elastic force module includes an elastic element and a plurality of force-bearing balls. The elastic element is configured to generate an elastic force. The force-bearing balls abut between the elastic element and the gear turntable and mesh with the gear turntable. When the torsion is greater than the elastic force, the gear turntable is disengaged from the force-bearing balls and rotated.
    Type: Application
    Filed: November 5, 2019
    Publication date: June 11, 2020
    Applicant: PEGATRON CORPORATION
    Inventors: Shiuan-Chai Chiang, Li-Jin Ji, Jen-Hui Wang