Patents Assigned to Knoishiroku Photo Industry Co. Ltd.
  • Device for developing electrostatic latent images
    Patent number: 4492456
    Abstract: An electrostatic latent image developing device having a non-magnetic carrier member for carrying a developer and fixed magnets installed inside said carrier member, and a regulating member disposed over the carrier member for regulating a developer layer thickness on the surface of the carrier member at a point between two peaks of a magnetic flux produced by two closely arranged magnets having same polarity inside the carrier member. The regulating member is a doctor blade and the carrier member is a rotatable cylindrical sleeve.
    Type: Grant
    Filed: July 21, 1982
    Date of Patent: January 8, 1985
    Assignee: Knoishiroku Photo Industry Co. Ltd.
    Inventors: Satoshi Haneda, Masahiko Itaya, Minoru Tanaka