Patents by Inventor Fu-Tsai Lee

Fu-Tsai Lee 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: 20060065078
    Abstract: A ratchet tool includes an engaging member rotatably received in a hole in the head of the tool and a ratchet mechanism is received in a recess in the head. A lip extends inward from the inner periphery of the hole and the engaging member has a neck extending from one of two sides thereof. A C-shaped clip is connected to the neck. The neck includes an annular recessed plane and a second groove. A spring member is engaged with the annular recessed plane surface and has wave-shaped side profile which includes peak portions in opposite directions. The peak portions are respectively in contact with the lip and an inside of the recessed plane surface. The neck of the engaging member is pushed out from the hole when the spring member is compressed by pushing the engaging member.
    Type: Application
    Filed: September 28, 2004
    Publication date: March 30, 2006
    Inventors: Shih-Kun Chen, Fu-Tsai Lee