Patents by Inventor Libo Zuo

Libo Zuo 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).

  • Contact device of handcart circuit breaker and handcart circuit breaker
    Patent number: 10741338
    Abstract: Provided is a handcart circuit breaker and a contact device thereof including a contact arm and a moving contact. Inner walls of a cylindrical contact finger base in axial direction respectively have a contact finger groove with a spring contact finger for plugging the contact arm and a fixed contact; a rear of the contact finger base sleeves with a front of the contact arm having a positioning groove larger than a fitting end of the support pin, the contact finger base has support pins extending into the contact finger base; a diameter of a circle corresponding to the fitting end of each support pin is larger than a diameter of a circle corresponding to a bottom of each positioning groove; the contact finger base connects with the contact arm and an elastic support structure is arranged between the contact arm and the inner wall of the contact finger base.
    Type: Grant
    Filed: August 9, 2019
    Date of Patent: August 11, 2020
    Assignees: XJ ELECTRIC CO., LTD, XJ GROUP CORPORATION
    Inventors: Junwei Wang, Bangtian Wang, Pengcheng Sun, Weiguo Yang, Siliang Yang, Ran Wei, Xiaopeng Li, Xiaoyu Deng, Libo Zuo, Jinfang Wang, Liping Shi, Miao Wang