Patents by Inventor Ming-Huai Chen

Ming-Huai Chen 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).

  • Structure of a rim hoop for positioning
    Patent number: 6552253
    Abstract: An improved structure of a rim hoop for positioning is disclosed. An improved structure of a rim hoop for positioning having a drum bell, a drum hoop for positioning a drum head bolts, and rim hoop and lug, characterized in that the lug is an arch-shaped structure including a straight shaft rod and a seat rod at the ends thereof, the lug is positioned at one side of the drum bell, the rim hoop is mounted onto the middle section of the shaft rod by means of an elastic circular pad such that the rim hoop and the lug are directly connected to the external ring surface of the drum bell, facilitating the drum bell to position the drum hoop with bolts fastening onto the lug.
    Type: Grant
    Filed: December 11, 2001
    Date of Patent: April 22, 2003
    Inventor: Ming-Huai Chen