Patents by Inventor Chang-Sung Hu

Chang-Sung Hu 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).

  • Multi-station exercise machine frame structure of a honeycomb-like arrangement
    Patent number: 5514060
    Abstract: A multi-station exercise machine frame structure comprising a base support assembly which supports a number of columns for accommodating individual exercise units or stations. The base support assembly is constructed of cross beams connected between bottom parts of associated columns. Expansion of the machine to include one or more additional exercise units or stations is accomplished by adding corresponding columns and connecting additional cross beams of similar construction. In another aspect, a module for a butterfly unit is provided which comprises tilted inlet and outlet pulleys to facilitate a smooth operation of pivoting rods in performing a butterfly exercise.
    Type: Grant
    Filed: August 16, 1994
    Date of Patent: May 7, 1996
    Inventor: Chang-Sung Hu
  • Physical exerciser
    Patent number: D367900
    Type: Grant
    Filed: August 16, 1994
    Date of Patent: March 12, 1996
    Inventor: Chang-Sung Hu