Patents by Inventor Jurgen Bernert

Jurgen Bernert 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).

  • Sprocket cover arrangement for a hand-held chain saw
    Patent number: 8132484
    Abstract: A sprocket cover arrangement for a hand-held chain saw has a housing and a sprocket cover that has an opening and is connected to the housing. At least one stud bolt having a first end secured to the housing and having a second end that is a free threaded end is provided. The free threaded end projects through the opening of the sprocket cover to an exterior side of the sprocket cover when the sprocket cover is positioned in an operating position on the housing. A nut is screwed onto the free threaded end of the at least one stud bolt on the exterior side of the sprocket cover so as to secure the sprocket cover on the housing. The nut is secured captively, rotatably and with play in the opening of the sprocket cover.
    Type: Grant
    Filed: August 9, 2007
    Date of Patent: March 13, 2012
    Assignee: Andreas Stihl AG & Co. KG
    Inventors: Gerhard Pfleiderer, Maximilian Eberhardt, Günter Wolf, Jürgen Bernert
  • Sprocket Cover Arrangement for a Hand-Held Chain Saw
    Publication number: 20080034597
    Abstract: A sprocket cover arrangement for a hand-held chain saw has a housing and a sprocket cover that has an opening and is connected to the housing. At least one stud bolt having a first end secured to the housing and having a second end that is a free threaded end is provided. The free threaded end projects through the opening of the sprocket cover to an exterior side of the sprocket cover when the sprocket cover is positioned in an operating position on the housing. A nut is screwed onto the free threaded end of the at least one stud bolt on the exterior side of the sprocket cover so as to secure the sprocket cover on the housing. The nut is secured captively, rotatably and with play in the opening of the sprocket cover.
    Type: Application
    Filed: August 9, 2007
    Publication date: February 14, 2008
    Applicant: ANDREAS STIHL AG & CO. KG
    Inventors: Gerhard Pfleiderer, Maximilian Eberhardt, Gunter Wolf, Jurgen Bernert