Patents by Inventor Wen-Fu Shih

Wen-Fu Shih 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: 6811173
    Abstract: A baby tricycle steering control arrangement is disclosed to include a base frame, a head unit and a steering control bar respectively pivoted to the front and rear sides of the base frame, a swivel member pivoted to the pivot between the front side of the base frame and the head unit and fixedly connected to the head unit, a link received in the base frame and coupled between the bottom end of the steering control bar and the swivel member for enabling the head unit to be controlled by the steering control bar, and a spring member coupled between the swivel member and the base frame and adapted to return the head unit to the middle position automatically after release of biasing force from the steering control bar.
    Type: Grant
    Filed: November 5, 2003
    Date of Patent: November 2, 2004
    Inventor: Wen-Fu Shih
  • Patent number: 6152473
    Abstract: A baby tricycle, which includes a head unit holding a pair of handlebars, a front wheel, and a pair of pedals, a body unit having a seat frame, a saddle mounted on the seat frame, and a rear wheel frame holding a pair of rear wheels, and a folding collapsible connecting frame unit coupled between the head unit and the body unit, the folding collapsible connecting frame unit including rear tubular connecting rod having a rear end welded to the rear wheel frame of the body unit and a front end pivoted to the rear end of the seat frame, a link, and a front locating frame, the front locating frame having a front end fixedly connected to the head unit and a rear end coupled to the front end of the rear tubular connecting rod by the link and a coupling portion on the middle pivoted to the front end of the seat frame.
    Type: Grant
    Filed: July 14, 1999
    Date of Patent: November 28, 2000
    Inventor: Wen Fu Shih