Patents by Inventor Zhengan Chen

Zhengan Chen 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).

  • Independent presser foot drive mechanism and embroidery machine
    Patent number: 11326288
    Abstract: An independent presser foot drive mechanism and an embroidery machine includes a machine head, a needle bar drive mechanism mounted on the machine head, a needle bar drive block provided on a corresponding guide rod and movable up and down. The presser foot drive block further includes a presser foot drive motor that independently drives a presser foot, and a presser foot link assembly that connects the presser foot drive motor with the presser foot drive block to complete driving of the presser foot. The presser foot can be independently driven to move by providing the independent presser foot drive motor and the presser foot link assembly. According to corresponding embroidery processes, the presser foot can independently complete more complicated actions under the driving of the drive motor.
    Type: Grant
    Filed: June 29, 2020
    Date of Patent: May 10, 2022
    Assignee: ZHEJIANG HEHE ELECTRIC MACHINERY CO., LTD
    Inventor: Zhengan Chen
  • Independent Presser Foot Drive Mechanism and Embroidery Machine
    Publication number: 20210087731
    Abstract: An independent presser foot drive mechanism and an embroidery machine includes a machine head, a needle bar drive mechanism mounted on the machine head, a needle bar drive block provided on a corresponding guide rod and movable up and down. The presser foot drive block further includes a presser foot drive motor that independently drives a presser foot, and a presser foot link assembly that connects the presser foot drive motor with the presser foot drive block to complete driving of the presser foot. The presser foot can be independently driven to move by providing the independent presser foot drive motor and the presser foot link assembly. According to corresponding embroidery processes, the presser foot can independently complete more complicated actions under the driving of the drive motor.
    Type: Application
    Filed: June 29, 2020
    Publication date: March 25, 2021
    Inventor: Zhengan Chen
  • Embroidery machine
    Patent number: D944298
    Type: Grant
    Filed: December 12, 2019
    Date of Patent: February 22, 2022
    Assignee: ZHEJIANG HEHE ELECTRIC MACHINERY CO., LTD
    Inventor: Zhengan Chen
  • Embroidery machine
    Patent number: D953383
    Type: Grant
    Filed: November 20, 2020
    Date of Patent: May 31, 2022
    Inventor: ZhenGan Chen