Patents by Inventor Shuangchun YUAN

Shuangchun YUAN 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).

  • Process cartridge with movable force receiving portion configured to separate developing roller and photosensitive drum
    Patent number: 11940755
    Abstract: Disclosed is a process cartridge detachably mounted to an image forming device having a tray and force applying components. The process cartridge has a process cartridge frame, a photosensitive unit, a developing unit rotatable relative to the photosensitive unit. The process cartridge frame has a driving side and a conductive side disposed oppositely along a length direction. The driving side has a first driving force receiving portion for rotating a photosensitive drum and a second driving force receiving portion for rotating a developing roller. The developing unit has a force receiving portion for receiving force of force applying components to rotate the developing unit relative to the photosensitive unit. When the process cartridge is pushed into to the image forming device, the force receiving portion move at least in a left-and-right direction and/or an up-and-down direction relative to the frame of the process cartridge.
    Type: Grant
    Filed: July 8, 2021
    Date of Patent: March 26, 2024
    Assignee: JIANGXI YIBO E-TECH CO. LTD.
    Inventors: Liangliang Hu, Shiping Ao, Fei Hu, Mei Yan, Junliang Qiu, Shaohua Chen, Shuangchun Yuan
  • PROCESS CARTRIDGE
    Publication number: 20210333749
    Abstract: Disclosed is a process cartridge detachably mounted to an image forming device having a tray (13) and force applying components (60, 61).
    Type: Application
    Filed: July 8, 2021
    Publication date: October 28, 2021
    Inventors: Liangliang HU, Shiping AO, Fei HU, Mei YAN, Junliang QIU, Shaohua CHEN, Shuangchun YUAN