Patents by Inventor Christian Dronia

Christian Dronia 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: 4787257
    Abstract: In a gearshift device, especially in a motor vehicle, for shifting the speeds of a transmission, with a bearing bracket with a ball joint cup that receives a ball joint sphere mounted on a gearshift lever pivotable in two planes, stops mounted on the gearshift lever and fixed stops in the area of the ball joint sphere are provided, an imaginary line connecting which runs through the central area of the ball joint sphere, one pair of stops being provided with a rounded element for rolling on the other pair of stops. An adjusting plate formed on the bearing bracket is pivotably mounted in the fastening area with a base plate, in one pivot plane (preselection plane) of the gearshift lever.
    Type: Grant
    Filed: April 10, 1987
    Date of Patent: November 29, 1988
    Assignee: Audi AG
    Inventors: Dieter Ott, Klaus Bieber, Christian Dronia, Josef Maier