Patents by Inventor Edward Steltzer

Edward Steltzer 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).

  • Cartridge loader
    Patent number: 4918548
    Abstract: A tape drive is mounted on a carriage alongside a horizontal or vertical rack of tape cartridges. The carriage supports an arm with a linear actuator for removing a selected cartridge from the rack and inserting it in the tape drive and for extracting the cartridge from the drive and returning it to the rack. The actuator advances a cartridge in the insertion stroke by pushing it from the back and in the extraction stroke by hooking a notch on the cartridge.
    Type: Grant
    Filed: May 9, 1988
    Date of Patent: April 17, 1990
    Assignee: Digital Equipment Corporation
    Inventors: Miles C. O'Donnell, Edward Steltzer