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: 20240315454
    Abstract: A rocker box for use on a rocker chair is provided. The rocker box includes a base plate; a rocker plate spaced from the base plate and pivotally coupled to the base plate at a pivot axis; a pair of springs extending between the base plate and the rocker plate, the springs being coupled on one end to the base plate and on the other end to the rocker plate; and a spacer extending between the springs and each of the base plate and the rocker plate, such that the first springs do not directly contact the surface of the base plate or the rocker plate.
    Type: Application
    Filed: May 30, 2024
    Publication date: September 26, 2024
    Inventors: Jun CHEN, Zongfeng Guo, Ziliu Pan, Guoming Shen, Lei Mao, Xiaoli Chen, Jiahao Wu, Patrick Third, Jason Stokesbary, Jason Carr
  • 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