Patents by Inventor Zenggang Guo

Zenggang 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).

  • Patent number: 8418826
    Abstract: A lock pin-type automobile synchronizer includes a higher gear conical ring (1) and a lower gear conical ring (4) which are arranged at the sides of a sliding gear sleeve (3). A higher gear lock pin (2) is fixed to one side of the higher gear conical ring (1). A lower gear lock pin (5, 6) is fixed to one side of the lower gear conical ring (4). A pin hole corresponding to the higher gear (2) lock pin and the lower gear lock pin (5, 6) is arranged on the sliding gear sleeve (3). The number of lower gear lock pins (5, 6) is higher than the number of higher gear lock pins (2).
    Type: Grant
    Filed: October 24, 2008
    Date of Patent: April 16, 2013
    Assignee: Shaanxi Fast Gear Co., Ltd.
    Inventors: Dakai Li, Zenggang Guo, Shunli Wang, Lin Yang
  • Publication number: 20110185846
    Abstract: A lock pin-type automobile synchronizer includes a higher gear conical ring (1) and a lower gear conical ring (4) which are arranged at the sides of a sliding gear sleeve (3). A higher gear lock pin (2) is fixed to one side of the higher gear conical ring (1). A lower gear lock pin (5, 6) is fixed to one side of the lower gear conical ring (4). A pin hole corresponding to the higher gear (2) lock pin and the lower gear lock pin (5, 6) is arranged on the sliding gear sleeve (3). The number of lower gear lock pins (5, 6) is higher than the number of higher gear lock pins (2).
    Type: Application
    Filed: October 24, 2008
    Publication date: August 4, 2011
    Applicant: Shaanxi Fast Gear Co., Ltd.
    Inventors: Dakai Li, Zenggang Guo, Shunli Wang, Lin Yang