Patents by Inventor Dan Van MAI

Dan Van MAI 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).

  • Developing agent filling device that releases developing roller from pressure of regulation blade, and developing agent filling method
    Patent number: 11782358
    Abstract: A developing agent filling device includes a jig retaining a developing device with a filling inlet oriented upward, the developing device including a stirring chamber, a bladed wheel that stirs a developing agent stored in the stirring chamber, a developing roller that retains the developing agent stirred by the bladed wheel, the filling inlet located at an end portion of the stirring chamber in an axial direction of the bladed wheel and opened in the axial direction, a support member supporting a shaft of the bladed wheel inside of the filling inlet, a regulation blade opposed to an outer circumferential surface of the developing roller, and a biasing member that presses the regulation blade against the developing roller, a pressure relief device that releases the developing roller from a pressure of the regulation blade, against the biasing member, and a vibration generating device that vibrates the developing device.
    Type: Grant
    Filed: November 28, 2022
    Date of Patent: October 10, 2023
    Assignee: KYOCERA Document Solutions Inc.
    Inventor: Dan Van Mai
  • DEVELOPING AGENT FILLING DEVICE THAT RELEASES DEVELOPING ROLLER FROM PRESSURE OF REGULATION BLADE, AND DEVELOPING AGENT FILLING METHOD
    Publication number: 20230168604
    Abstract: A developing agent filling device includes a jig retaining a developing device with a filling inlet oriented upward, the developing device including a stirring chamber, a bladed wheel that stirs a developing agent stored in the stirring chamber, a developing roller that retains the developing agent stirred by the bladed wheel, the filling inlet located at an end portion of the stirring chamber in an axial direction of the bladed wheel and opened in the axial direction, a support member supporting a shaft of the bladed wheel inside of the filling inlet, a regulation blade opposed to an outer circumferential surface of the developing roller, and a biasing member that presses the regulation blade against the developing roller, a pressure relief device that releases the developing roller from a pressure of the regulation blade, against the biasing member, and a vibration generating device that vibrates the developing device.
    Type: Application
    Filed: November 28, 2022
    Publication date: June 1, 2023
    Applicant: KYOCERA Document Solutions Inc.
    Inventor: Dan Van MAI