Patents by Inventor Zhi Liu Gu

Zhi Liu Gu 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).

  • Power tool chuck assembly with hammer mechanism
    Patent number: 8322457
    Abstract: A power tool includes a housing, a motor supported in the housing, a chuck assembly having a chuck body rotatable about a central axis in response to torque received from the motor, and a plurality of jaws supported in the chuck body. Each of the jaws includes a front portion operable to grasp a tool element and a rear portion positioned outside the chuck body. The power tool also includes a hammer mechanism operable to impart movement to the chuck assembly, in a direction parallel to the central axis, during rotation of the chuck assembly about the central axis.
    Type: Grant
    Filed: February 5, 2010
    Date of Patent: December 4, 2012
    Assignee: Techtronic Power Tools Technology Limited
    Inventors: Kwok Ting Mok, Xian Guo Zhao, Zhi Liu Gu
  • POWER TOOL CHUCK ASSEMBLY WITH HAMMER MECHANISM
    Publication number: 20100193207
    Abstract: A power tool includes a housing, a motor supported in the housing, a chuck assembly having a chuck body rotatable about a central axis in response to torque received from the motor, and a plurality of jaws supported in the chuck body. Each of the jaws includes a front portion operable to grasp a tool element and a rear portion positioned outside the chuck body. The power tool also includes a hammer mechanism operable to impart movement to the chuck assembly, in a direction parallel to the central axis, during rotation of the chuck assembly about the central axis.
    Type: Application
    Filed: February 5, 2010
    Publication date: August 5, 2010
    Inventors: Kwok Ting Mok, Xian Guo Zhao, Zhi Liu Gu