Patents by Inventor Nu Ping Yang

Nu Ping Yang 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).

  • Automatic thread cutting device for an embroidery machine
    Patent number: 6062152
    Abstract: An automatic thread cutting device for cutting upper and lower threads in motorized and/or computer-operated embroidery and sewing machines. The thread cutting device includes a fixed knife for the upper thread and a movable knife for the lower thread. The movable knife includes a deflector for making the upper thread taut and cutting surface for actually cutting the lower thread. After the lower thread is cut, the movable knife is withdrawn and the upper thread is relaxed so that it can be cut by the fixed knife.
    Type: Grant
    Filed: May 12, 1998
    Date of Patent: May 16, 2000
    Assignee: Capital Automation Co., Ltd.
    Inventors: Su Jiang Yu, Hao Wang, Nu Ping Yang