Patents by Inventor Zongfeng GUO

Zongfeng GUO 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).

  • Publication number: 20230200537
    Abstract: A spring mechanism for a rocker assembly is disclosed, the spring mechanism being connected to a rocker mechanism of the rocker assembly to assist a rocker member of the rocker mechanism in returning from a rocking position to a rest position, wherein the spring mechanism comprises two mounting plates opposed at a spacing and two springs connected between the two mounting plates, each of the mounting plates being provided with holding structures for holding each of the springs in place on the mounting plate, wherein a spacer is provided between each mounting plate and each spring to avoid the mounting plate from contacting at least one turn of the spring.
    Type: Application
    Filed: December 22, 2022
    Publication date: June 29, 2023
    Inventors: Jun CHEN, Zongfeng GUO, Ziliu PAN, Guoming SHEN, Lei MAO, Xiaoli CHEN, Jiahao WU