Patents by Inventor Dieter Eisenberger

Dieter Eisenberger 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: 8056433
    Abstract: A shifting device for a multi-gear manual transmission, in particular a gearwheel variable-speed transmission of a vehicle, with a gearshift shaft that can be axially and rotationally moved. A shift gate can be selected by axial movement of the shaft and a gear in the shift gate is engaged by rotation movement of the shaft. A locking device communicates with the gearshift shaft and increases a selection force when selecting a shift gate having a reverse gear. A spring arrangement includes a first spring element, which acts during the selection of a shift gate with two forward gears, and the second spring element acts, together with the locking device, during the selection of the shift gate with the reverse gear.
    Type: Grant
    Filed: December 3, 2007
    Date of Patent: November 15, 2011
    Assignee: ZF Friedrichshafen AG
    Inventor: Dieter Eisenberger
  • Publication number: 20100011898
    Abstract: A shifting device for a multi-gear manual transmission, in particular a gearwheel variable-speed transmission of a vehicle, with a gearshift shaft that can be axially and rotationally moved. A shift gate can be selected by axial movement of the shaft and a gear in the shift gate is engaged by rotation movement of the shaft. A locking device communicates with the gearshift shaft and increases a selection force when selecting a shift gate having a reverse gear. A spring arrangement includes a first spring element, which acts during the selection of a shift gate with two forward gears, and the second spring element acts, together with the locking device, during the selection of the shift gate with the reverse gear.
    Type: Application
    Filed: December 3, 2007
    Publication date: January 21, 2010
    Applicant: ZF FRIEDRICHSHAFEN AG
    Inventor: Dieter Eisenberger