Patents by Inventor Congyu Qiu

Congyu Qiu 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).

  • Chip contact mechanism and developer cartridge
    Patent number: 9274454
    Abstract: Disclosed is a chip contact mechanism for a developer cartridge. The chip contact mechanism comprises a chip holder movably provided on the developer cartridge and a lever for enabling the chip holder to move. The chip holder is provided with a chip installation position. A return member is provided between the chip holder and the cartridge body. Disclosed is also a developer cartridge which comprises the chip contact mechanism.
    Type: Grant
    Filed: February 6, 2013
    Date of Patent: March 1, 2016
    Assignee: PRINT-RITE • UNICORN IMAGE PRODUCTS CO., LTD. OF ZHUHAI
    Inventors: Xiaofeng Yang, Congyu Qiu, Wugang Tan
  • CHIP CONTACT MECHANISM AND DEVELOPER CARTRIDGE
    Publication number: 20150037059
    Abstract: Disclosed is a chip contact mechanism for a developer cartridge. The chip contact mechanism comprises a chip holder movably provided on the developer cartridge and a lever for enabling the chip holder to move. The chip holder is provided with a chip installation position. A return member is provided between the chip holder and the cartridge body. Disclosed is also a developer cartridge which comprises the chip contact mechanism.
    Type: Application
    Filed: February 6, 2013
    Publication date: February 5, 2015
    Inventors: Xiaofeng Yang, Congyu Qiu, Wugang Tan
  • PROCESS CARTRIDGE CAPABLE OF RECOVERING WASTE TONER
    Publication number: 20150023689
    Abstract: The present invention provides a process cartridge capable of recovering waste toner. The process cartridge comprises a toner hopper unit and a waste bin unit. The toner hopper unit comprises a waste toner recovering port and the waste bin unit comprises a waste toner discharging port. The waste toner discharging port and the waste toner recovering port are butted with each other hermetically. The waste bin unit is provided with a waste toner conveying component for conveying the waste toner within the waste bin unit to the waste toner discharging port. The entire process of recovering and reusing the waste toner is automatically carried out during normal operation of the process cartridge and thus manual operation is not needed.
    Type: Application
    Filed: January 29, 2013
    Publication date: January 22, 2015
    Inventors: Wugang Tan, Congyu Qiu, Xiaofeng Yang, Honghui Zhou