Patents Examined by David Bloduc
  • Seal member, developing device, process cartridge, and image forming apparatus
    Patent number: 8081897
    Abstract: A seal member covers a space between a developing roller and a casing of a developing device. The seal member includes a flexible sheet and a reinforcing member fixed to the sheet. The reinforcing member is fixed to the casing. Notches are provided in the reinforcing member in a direction perpendicular to the length of the reinforcing member.
    Type: Grant
    Filed: October 24, 2008
    Date of Patent: December 20, 2011
    Assignee: Ricoh Company, Limited
    Inventors: Tomohiro Kubota, Kenzo Tatsumi, Tomofumi Yoshida, Hirobumi Ooyoshi, Yoshihiro Kawakami, Yoshiyuki Shimizu