Patents by Inventor Lewis W. Bleiman

Lewis W. Bleiman 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).

  • Disk positioning means for a flexible magnetic disk drive apparatus
    Patent number: 3940793
    Abstract: In a flexible magnetic disk drive apparatus including a housing having an entrance slot for receiving a disk carrying cartridge, means for engaging said cartridge to either properly position it relative to a disk clamp and drive mechanism or eject it out through said entrance slot. The means is comprised of a fixed positioning surface or flange located adjacent to said entrance slot and a spring mounted ejector member for engaging the leading edge of said cartridge to urge the cartridge trailing edge against said positioning surface.
    Type: Grant
    Filed: December 18, 1974
    Date of Patent: February 24, 1976
    Assignee: Pertec Corporation
    Inventor: Lewis W. Bleiman