Patents by Inventor Jun-Jui Hsu

Jun-Jui Hsu 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).

  • Leg exerciser
    Patent number: 8979712
    Abstract: A leg exerciser includes a base positioned on the floor, two pedals pivotally connected to the base in a parallel manner, two spring plates supporting the pedals on the floor, each spring plate having a fixed end connected to one pedal, a free end movably supported on the floor and a smoothly arched suspension arm connected between the fixed end and the free end, and two sliding coupling devices coupled between the free ends of the spring plates and the base, each sliding coupling device including a track plate extended from the base along a predetermined path and a roller pivotally connected to the free end of one spring plate and rotatably supported on the track plate.
    Type: Grant
    Filed: October 21, 2012
    Date of Patent: March 17, 2015
    Inventors: Yuan-Hung Lo, Chung-Chin Yang, Jun-Jui Hsu
  • LEG EXERCISER
    Publication number: 20140113774
    Abstract: A leg exerciser includes a base positioned on the floor, two pedals pivotally connected to the base in a parallel manner, two spring plates supporting the pedals on the floor, each spring plate having a fixed end connected to one pedal, a free end movably supported on the floor and a smoothly arched suspension arm connected between the fixed end and the free end, and two sliding coupling devices coupled between the free ends of the spring plates and the base, each sliding coupling device including a track plate extended from the base along a predetermined path and a roller pivotally connected to the free end of one spring plate and rotatably supported on the track plate.
    Type: Application
    Filed: October 21, 2012
    Publication date: April 24, 2014
    Inventors: Yuan-Hung LO Yuan-Hung LO, Chung-Chin Yang, Jun-Jui Hsu