Patents by Inventor Johnxing Situ

Johnxing Situ 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: 20100031784
    Abstract: An extension device for a socket member may include a ratchet member, a first U-joint member connecting the ratchet member and the socket member, a first sleeve member for connecting the ratchet member and the socket member to inhibit the operation of the first U-joint member. The sleeve member may include a threaded connection to the ratchet member, and the U-joint member may include a first ball and socket member. The U-joint member may include a first central shaft member, and the first central shaft member may radially rotate on a first traverse shaft member. The traverse shaft member may be connected to a first pair of arms, and the first arms may be connected to the socket member. The extension device may include a second U-joint member, and the extension device may include a second sleeve member to inhibit the operation of the second U-joint member. The second sleeve member may include a threaded connection, and the second U-joint member may include a second ball and socket member.
    Type: Application
    Filed: August 5, 2008
    Publication date: February 11, 2010
    Inventor: Johnxing Situ