Patents by Inventor Yuo-Po CHENG

Yuo-Po CHENG 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).

  • Patent number: 11421354
    Abstract: A flat knitting machine yarn feeder with variable yarn feeding positions is provided. The flat knitting machine yarn feeder includes a driving mechanism and a yarn feeding mechanism. The driving mechanism is controlled by an electronic signal and includes a driving plate which makes a push stroke after started. The yarn feeding mechanism comprises a joining plate connected with the driving plate and a yarn feeding arm assembled with the joining plate. The joining plate comprises a guide hole. The yarn feeding arm comprises a guide column disposed in the guide hole. The joining plate makes a displacement stroke when the driving plate makes the push stroke. The guide column changes a position in the guide hole when the joining plate makes the displacement stroke. The yarn feeding arm changes a yarn feeding position when the guide column changes the position.
    Type: Grant
    Filed: February 27, 2019
    Date of Patent: August 23, 2022
    Assignee: PAI LUNG MACHINERY MILL CO., LTD.
    Inventors: Chih-Chiang Lee, Yuo-Po Cheng
  • Publication number: 20200270782
    Abstract: A flat knitting machine yarn feeder with variable yarn feeding positions is provided. The flat knitting machine yarn feeder includes a driving mechanism and a yarn feeding mechanism. The driving mechanism is controlled by an electronic signal and includes a driving plate which makes a push stroke after started. The yarn feeding mechanism comprises a joining plate connected with the driving plate and a yarn feeding arm assembled with the joining plate. The joining plate comprises a guide hole. The yarn feeding arm comprises a guide column disposed in the guide hole. The joining plate makes a displacement stroke when the driving plate makes the push stroke. The guide column changes a position in the guide hole when the joining plate makes the displacement stroke. The yarn feeding arm changes a yarn feeding position when the guide column changes the position.
    Type: Application
    Filed: February 27, 2019
    Publication date: August 27, 2020
    Inventors: Chih-Chiang LEE, Yuo-Po CHENG