Patents by Inventor Xiaojie CHANG

Xiaojie CHANG 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).

  • Arm-supporting structure
    Patent number: 10760731
    Abstract: Provided is an arm-supporting structure, including a front arm connector, a rear arm connector, an adjusting means for an upper support and a lower support, and an elastic supporting means. The front arm connector, the upper support, the rear arm connector and the lower support are articulated sequentially to form a parallelogram structure. The upper end and the lower end of the adjusting means are articulated with the upper support and the lower support, respectively. Two ends of the elastic supporting means are connected with the adjusting means and the upper support, respectively. The elastic supporting means has a length that is elastically stretchable. The adjusting means automatically adjusts its position in accordance with the swinging of the upper support and the lower support, shifts the position of the fulcrum of the elastic supporting means, and automatically reaches a balance of force.
    Type: Grant
    Filed: March 30, 2018
    Date of Patent: September 1, 2020
    Assignee: KUNSHAN HONGJIE ELECTRONICS CO., LTD.
    Inventor: Xiaojie Chang
  • Arm-Supporting Structure
    Publication number: 20190178440
    Abstract: Provided is an arm-supporting structure, including a front arm connector, a rear arm connector, an adjusting means for an upper support and a lower support, and an elastic supporting means. The front arm connector, the upper support, the rear arm connector and the lower support are articulated sequentially to form a parallelogram structure. The upper end and the lower end of the adjusting means are articulated with the upper support and the lower support, respectively. Two ends of the elastic supporting means are connected with the adjusting means and the upper support, respectively. The elastic supporting means has a length that is elastically stretchable. The adjusting means automatically adjusts its position in accordance with the swinging of the upper support and the lower support, shifts the position of the fulcrum of the elastic supporting means, and automatically reaches a balance of force.
    Type: Application
    Filed: March 30, 2018
    Publication date: June 13, 2019
    Inventor: Xiaojie CHANG
  • Mobile trolley stand
    Patent number: D1003301
    Type: Grant
    Filed: January 18, 2022
    Date of Patent: October 31, 2023
    Assignee: KUNSHAN HONGJIE ELECTRONICS CO., LTD.
    Inventor: Xiaojie Chang
  • Cart support
    Patent number: D1003878
    Type: Grant
    Filed: July 13, 2021
    Date of Patent: November 7, 2023
    Assignee: KUNSHAN HONGJIE ELECTRONICS CO., LTD.
    Inventor: Xiaojie Chang
  • Display support
    Patent number: D1009880
    Type: Grant
    Filed: July 13, 2021
    Date of Patent: January 2, 2024
    Assignee: ANHUI HONGJIE ERGONOMIC TECHNOLOGY CO., LTD
    Inventor: Xiaojie Chang
  • Mobile trolley stand
    Patent number: D1019663
    Type: Grant
    Filed: January 18, 2022
    Date of Patent: March 26, 2024
    Assignee: KUNSHAN HONGJIE ELECTRONICS CO., LTD.
    Inventor: Xiaojie Chang
  • Mobile trolley stand
    Patent number: D1031687
    Type: Grant
    Filed: November 26, 2021
    Date of Patent: June 18, 2024
    Assignee: ANHUI HONGJIE ERGONOMIC TECHNOLOGY CO., LTD
    Inventor: Xiaojie Chang