Patents by Inventor Hans-Joerg BIRKEFELD

Hans-Joerg BIRKEFELD 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).

  • ADJUSTMENT ASSEMBLY FOR AN ADJUSTMENT DRIVE
    Publication number: 20240191790
    Abstract: It is provided an adjustment assembly for an adjustment drive of a motor vehicle, having a first adjustment part having a first screw thread, and a second adjustment part having a second screw thread, which is in engagement with the first screw thread, wherein at least one of the screw threads has a plastic coating. The plastic coating covers more than 50% of the at least one screw thread.
    Type: Application
    Filed: April 6, 2022
    Publication date: June 13, 2024
    Inventors: Jürgen SCHUKALSKI, Andreas DIEMAR, Peter HAUSMANN, Andreas DECKERT, Hans-Jörg BIRKEFELD, Jochen HOFMANN, Renee DIETZEL, Kevin HERTHA, Jürgen HERGENRÖDER, Wolfgang WACHTER
  • Adjusting device for a seat element of a vehicle seat
    Patent number: 10960788
    Abstract: It is provided an adjusting device for a seat element of a vehicle seat, the strength structure of said seat element being connected to a guide device which substantially oriented in a first spatial direction and on which a support and a slide are arranged in a longitudinally adjustable manner relative to each other by means of a first drive device. A support lever which changes the contour of the seat element and which is hinged to the support and a toggle lever which is hinged to the slide and to the support lever via a connection joint are pivotable about axes which are oriented in a second spatial direction running perpendicularly to the first spatial direction and pivot on a plane defined by the first spatial direction and a third spatial direction running perpendicularly to the first and second spatial direction when the first drive device is actuated.
    Type: Grant
    Filed: April 27, 2017
    Date of Patent: March 30, 2021
    Assignee: BROSE FAHRZEUGTEILE GMBH & CO. KOMMANDITGESELLSCHAFT, COBURG
    Inventors: Christian Andres, Sebastian Eichhorn, Florian Schmieder, Christian Mergl, Hans-Joerg Birkefeld
  • ADJUSTING DEVICE FOR A SEAT ELEMENT OF A VEHICLE SEAT
    Publication number: 20190143848
    Abstract: It is provided an adjusting device for a seat element of a vehicle seat, the strength structure of said seat element being connected to a guide device which substantially oriented in a first spatial direction and on which a support and a slide are arranged in a longitudinally adjustable manner relative to each other by means of a first drive device. A support lever which changes the contour of the seat element and which is hinged to the support and a toggle lever which is hinged to the slide and to the support lever via a connection joint are pivotable about axes which are oriented in a second spatial direction running perpendicularly to the first spatial direction and pivot on a plane defined by the first spatial direction and a third spatial direction running perpendicularly to the first and second spatial direction when the first drive device is actuated.
    Type: Application
    Filed: April 27, 2017
    Publication date: May 16, 2019
    Applicant: Brose Fahrzeugteile GmbH & Co. Kommanditgesellschaf Coburg
    Inventors: Christian ANDRES, Sebastian EICHHORN, Florian SCHMIEDER, Christian MERGL, Hans-Joerg BIRKEFELD