Patents by Inventor David R. McCandless

David R. McCandless 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).

  • Patent number: 5521678
    Abstract: An electrostatographic imaging member assembly comprising a hollow electrostatographic imaging drum having a first end and a second end, at least one coating on the drum extending from the first end of the drum to the second end of the drum, the coating having an outer electrostatographic imaging surface, drum supporting hubs mounted on the first end of the drum and the second end of the drum, the drum supporting hubs comprising a disk shaped member comprising a disk shaped segment having an exposed annular landing strip surface parallel to and flush with the electrostatographic imaging surface, the annular landing strip surface having a width of at least about 3 millimeters and having an imaginary axis coextensive with an imaginary axis of the drum. The electrostatographic imaging member assembly may be utilized in electrostatographic imaging apparatus in which the hubs support electrostatographic imaging apparatus subassembly components.
    Type: Grant
    Filed: December 21, 1993
    Date of Patent: May 28, 1996
    Assignee: Xerox Corporation
    Inventors: James D. Riehle, Eugene A. Swain, David J. Maty, William A. Hammond, James M. Markovics, David R. McCandless