Patents by Inventor Shau-Cheng Sun

Shau-Cheng Sun 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).

  • Key structure and scissors-type connecting element thereof
    Patent number: 11373820
    Abstract: A key structure includes a keycap, a base plate, a first scissors-type connecting element, a second scissors-type connecting element and a coupling plate. The first scissors-type connecting element and the second scissors-type connecting element are arranged between the keycap and the base plate. The first scissors-type connecting element is upwardly assembled with the keycap and downwardly assembled with the base plate. The first scissors-type connecting element includes a first inner frame and a first outer frame. The second scissors-type connecting element is upwardly assembled with the keycap and downwardly assembled with the base plate. The second scissors-type connecting element includes a second inner frame and a second outer frame. The coupling plate is arranged between the first outer frame and the second outer frame. The coupling plate is detachably assembled with the first outer frame and the second outer frame.
    Type: Grant
    Filed: May 28, 2021
    Date of Patent: June 28, 2022
    Assignee: PRIMAX ELECTRONICS LTD.
    Inventors: Shau-Cheng Sun, Tsu-Yi Chen