Patents by Inventor Hueng-San Chang

Hueng-San 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).

  • Elevator mechanism for vehicle
    Patent number: 5588793
    Abstract: An elevator mechanism is disposed in the rear portion for rotating the rear panel of the vehicle and includes two pairs of links pivotally coupled in parallel between two couplers and a support of the vehicle so as to stably support the coupler. An actuator is coupled between the support and the coupler for moving the coupler upward and downward. A panel is pivotally coupled to the upper portion of the coupler and an actuator is coupled between the bottom of the panel and the middle portion of the coupler for rotating the panel about the upper portion of the coupler.
    Type: Grant
    Filed: March 2, 1995
    Date of Patent: December 31, 1996
    Inventor: Hueng-San Chang