Patents by Inventor Zaizai Cheng

Zaizai 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).

  • Stencil printing machine
    Patent number: 11780219
    Abstract: The present application relates to a stencil printing machine, which comprises a first holder device (110), a mobile device (121), two support tables (131, 132) and two driving devices (151, 152), wherein the first holder device (110) is configured to be able to horizontally reciprocate in the portrait orientation, the mobile device (121) is mounted on the first holder device (110) and is configured to be able to horizontally reciprocate in the landscape orientation on the first holder device (110), the two support tables (131, 132) are mounted at the lower end of the mobile device (121) and are used to bear corresponding solder paste jars (141, 142), the two driving devices (151, 152) are mounted on the mobile device (121) so that each of the two driving devices (151, 152) is located above a corresponding support table (131, 132) and is used to press a corresponding solder paste jar (141, 142), and the mobile device (121) is configured to be able to drive the two support tables (131, 132) and the two driving
    Type: Grant
    Filed: November 22, 2019
    Date of Patent: October 10, 2023
    Assignee: Illinois Tool Works Inc.
    Inventors: Zaizai Cheng, Wenhua Su
  • A STENCIL PRINTING MACHINE
    Publication number: 20220032604
    Abstract: The present application relates to a stencil printing machine, which comprises a first holder device (110), a mobile device (121), two support tables (131, 132) and two driving devices (151, 152), wherein the first holder device (110) is configured to be able to horizontally reciprocate in the portrait orientation, the mobile device (121) is mounted on the first holder device (110) and is configured to be able to horizontally reciprocate in the landscape orientation on the first holder device (110), the two support tables (131, 132) are mounted at the lower end of the mobile device (121) and are used to bear corresponding solder paste jars (141, 142), the two driving devices (151, 152) are mounted on the mobile device (121) so that each of the two driving devices (151, 152) is located above a corresponding support table (131, 132) and is used to press a corresponding solder paste jar (141, 142), and the mobile device (121) is configured to be able to drive the two support tables (131, 132) and the two driving
    Type: Application
    Filed: November 22, 2019
    Publication date: February 3, 2022
    Inventors: Zaizai Cheng, Wenhua Su