Patents by Inventor Wei-Shan LIN

Wei-Shan LIN 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: 20190134789
    Abstract: A ratchet wrench is provided, a toggle button thereof includes a toggling portion and a controlling portion, the toggle button is rotatably inserted in the a main body of the ratchet wrench via the controlling portion, the toggling portion is located outside the main body, the toggling portion is for being toggled to make the controlling portion rotate, a bottom portion of the controlling portion forms two positioning recesses, a top face of the controlling portion extends toward the toothed block to form a position-restricting portion, the position-restricting portion is located on an end of the controlling portion which is remote from the toggling portion so that the toothed block is sandwiched between an inner wall of the main body and the position-restricting portion and is hard to disengage.
    Type: Application
    Filed: November 7, 2017
    Publication date: May 9, 2019
    Inventor: Wei-Shan LIN