Patents by Inventor Tsong-Yuan Chang

Tsong-Yuan Chang 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: 20070269290
    Abstract: A housing structure with a protecting pad is provided, which comprises a housing body with at least one screw hole, wherein an assembling hole and a slot are respectively provided adjacent to both sides of the screw hole; and an elastic protecting pad, further including a holding lever with a snap ring, wherein the holding lever sleeves into the assembling hole in a rotatable manner and is snapped therein. The protecting pad includes a bump on the other side opposing to the holding lever, and the bump can be inserted into the slot, so that the protecting pad is covered over the screw hole. The protecting pad and the housing are cooperatively disposed, and both can be movably connected and are difficult to be shifted and detached, such that it is convenient and reliable for use.
    Type: Application
    Filed: May 16, 2006
    Publication date: November 22, 2007
    Inventor: Tsong-Yuan Chang