Patents by Inventor Rudolf Dirks

Rudolf Dirks 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).

  • Publication number: 20070200384
    Abstract: A motor vehicle including at least one row of seats consisting of a continuous full width seat and a split back rest is provided. The motor vehicle provides a comfortable seat in the middle of a third row of seats, so that even tall people have sufficient room. To this end, a central region of the full width seat can be lowered.
    Type: Application
    Filed: January 3, 2007
    Publication date: August 30, 2007
    Applicant: Bayerische Motoren Werke Aktiengesellschaft
    Inventors: Stefan Schwingenschloegel, Kai Burghard, Christian Goerg, Karol Virsik, Maximilian Reitmeir, Axel-Artur Poweleit, Rudolf Dirk
  • Patent number: 6748664
    Abstract: A gear head for a manually guided power implement is provided. Part of the tool shaft, which receives a rotatable cutting tool, is embodied as a cylindrical splined shaft having grooves for the positive transmission of torque to the cutting tool. An abutment plate is disposed on the tool shaft and has an abutment surface that extends essentially perpendicular to the longitudinal axis of the tool shaft. A centering cylinder extends through a circular central opening of the cutting tool and has inwardly directed longitudinal ribs that engage in the grooves of these splined shaft. A free end of the centering cylinder is provided with a beveled portion that extends from an outer contour of the cylinder to into the grooves.
    Type: Grant
    Filed: May 2, 2001
    Date of Patent: June 15, 2004
    Assignee: Andreas Stihl AG & Co.
    Inventors: Rudolf Dirks, Klaus Langhans
  • Publication number: 20010037576
    Abstract: A gear head for a manually guided power implement is provided. Part of the tool shaft, which receives a rotatable cutting tool, is embodied as a cylindrical splined shaft having grooves for the positive transmission of torque to the cutting tool. An abutment plate is disposed on the tool shaft and has an abutment surface that extends essentially perpendicular to the longitudinal axis of the tool shaft. A centering cylinder extends through a circular central opening of the cutting tool and has inwardly directed longitudinal ribs that engage in the grooves of these splined shaft. A free end of the centering cylinder is provided with a beveled portion that extends from an outer contour of the cylinder to into the grooves.
    Type: Application
    Filed: May 2, 2001
    Publication date: November 8, 2001
    Applicant: Andreas Stihl AG & Co.
    Inventors: Rudolf Dirks, Klaus Langhans
  • Patent number: 5706777
    Abstract: A suction air filter for an internal combustion engine with a diaphragm carburetor, wherein the combustion engine has a suction channel for taking in combustion air from a clean air side of the air filter and for taking in fuel from a fuel chamber, wherein the diaphragm of the diaphragm carburetor controls the intake of the fuel into the fuel chamber, and wherein the dry side of the diaphragm is loaded with the pressure of the clean side of the suction air filter, has a housing and a filter body including a block of foamed plastic material and a blocking layer connected to one side of the block. The filter body is positioned in the housing such that the blocking layer is located at the clean side of the suction air filter.
    Type: Grant
    Filed: August 9, 1996
    Date of Patent: January 13, 1998
    Assignee: Andreas Stihl
    Inventors: Helmut Schlessmann, Hans-Georg Wiedmann, Rudolf Dirks
  • Patent number: 5233945
    Abstract: The invention relates to a portable handheld work apparatus such as a motor-driven chain saw having an internal combustion engine, a fuel tank and an apparatus housing. The engine has a crankcase and at least one cylinder. The fuel tank is attached to the crankcase at a distance by means of two flanges whereby a mounting space is provided between the flanges, the crankcase and the fuel tank. This mounting space accommodates necessary components of the work apparatus and is closed by cover plates attached to the crankcase and the fuel tank or on the flanges.
    Type: Grant
    Filed: June 19, 1992
    Date of Patent: August 10, 1993
    Assignee: Andreas Stihl
    Inventors: Gunter Wolf, Reinhold Fink, Rudolf Dirks
  • Patent number: 4296553
    Abstract: A portable power chain saw with at least one grip for carrying the saw which grip is attached by interpositioning of at least one vibration attenuating member and attachment parts to the motor housing of the saw. The grip and the housing are connected to one another with at least one support part associated with said journal being provided.
    Type: Grant
    Filed: November 16, 1979
    Date of Patent: October 27, 1981
    Assignee: Adreas Stihl
    Inventors: Rudolf Dirks, Karl Nitschmann