Patents by Inventor Edward Joseph Kraemer

Edward Joseph Kraemer 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).

  • Magnetic disk information storage apparatus
    Patent number: 4034411
    Abstract: A magnetic disk information storage apparatus comprises a head/disk assembly removably mounted in a housing assembly. The head/disk assembly encloses rotatably mounted disks, and accessing heads mounted for linear movement on a carriage. Fixed to the carriage and therefore part of the subassembly is a linear actuator coil. The linear actuator magnet structure which cooperates with the coil to produce motion of the carriage is located in the housing assembly. Loadings of the subassembly into the housing assembly locates the actuator coil in a magnetic flux gap of the magnet structure.
    Type: Grant
    Filed: July 11, 1975
    Date of Patent: July 5, 1977
    Assignee: International Business Machines Corporation
    Inventors: Edward Joseph Kraemer, Tulsidas Ramlal Patel