Patents by Inventor James A. Landefeld

James A. Landefeld 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).

  • Removable processing cartridge for electrostatographic reproducing apparatus
    Patent number: 4556308
    Abstract: An electrostatographic reproducing apparatus using a removable processing cartridge containing at least one electrostatographic processing unit together with cartridge mounting means to the main frame of the reproducing apparatus is described. The mounting means comprises a pair of locating pivot pins, one on each side of the main frame and a pair of cartridge latch blocks adjacent said locating pins, one on each side of the main frame; with the cartridge mounting means attached to the cartridge comprising a pair of mounting hinge slots, one on each side of one end of said cartridge which are positioned for cooperative engagement with the pair of locating pivot pins on the main frame, and a pair of mounting pins, one on each side of one end of the cartridge adjacent the mounting hinge slots which are positioned for cooperative engagement with the pair of cartridge latch blocks on the main frame of the reproducing apparatus.
    Type: Grant
    Filed: May 25, 1984
    Date of Patent: December 3, 1985
    Assignee: Xerox Corporation
    Inventors: Werner F. Hoppner, James A. Landefeld