Patents by Inventor Jack F. Jansen

Jack F. Jansen 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).

  • Method of manufacturing a flexure hinge assembly
    Patent number: 4143451
    Abstract: A flexure hinge assembly comprising a pair of fixed telescopes inner and outer tubular members separated into at least one driving portion, at least one gimbal portion and at least one driven portion and a plurality of flexure blades all formed by a plurality of slots and apertures through the walls of each tubular member. Flexure blades are formed by pairs of adjacent apertures with the slots interconnecting apertures to separate the tubular members into the driving, gimbal, and driven portions. A pair of diametrically opposed flexure hinges, each comprising two mutually orthogonal flexure blades one in the outer and one in the inner member, connect each gimbal portion to the driving portion. Another such pair of flexure hinges connect each gimbal portion to the driven portion.
    Type: Grant
    Filed: April 5, 1976
    Date of Patent: March 13, 1979
    Assignee: Litton Systems, Inc.
    Inventors: Robert J. G. Craig, Clifton T. Council, Jack F. Jansen