Patents by Inventor Herbert Appelt

Herbert Appelt 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: 6428418
    Abstract: A universal joint yoke with two parallel yoke legs, which have a partial area for a bearing eye hole, is presented, in which the inner sides of the yoke legs facing one another have areas of thickened material in the unfinished state in the areas of the bearing eye holes. Due to this feature according to the present invention, it is possible to obtain a sufficient mounting overlap for the needle bearings arranged in the bearing eye holes, on the one hand, and a maximum possible passage is obtained at the same time for a through hole necessary for the connection to connection profiles in the universal joint yoke.
    Type: Grant
    Filed: October 30, 2000
    Date of Patent: August 6, 2002
    Assignee: Nacam Deutschland GMBG
    Inventors: Herbert Appelt, Sonja Winsel
  • Patent number: 6343812
    Abstract: A process is disclosed for fixing a motor vehicle steering column. The, motor vehicle steering column is adjustable in the axial and/or vertical direction and has a steering shaft and a housing accommodating the steering shaft, on a bracket of the steering column of the motor vehicle, which bracket is a rigid part of the body. In the case of an accident, a positive-locking connection is established by pyrotechnical device between the adjustable steering column housing and the bracket of the steering column, at the moment of the impact of the motor vehicle against an obstacle. A device for carrying about the above-mentioned process is disclosed, in which at least one pyrotechnical module and at least one element, which can be controlled by the pyrotechnical module, are present for the positive-locking connection between the steering column and the bracket, which is a rigid part of the body.
    Type: Grant
    Filed: August 7, 2000
    Date of Patent: February 5, 2002
    Assignee: Nacam Deutschland GmbH
    Inventors: Herbert Appelt, Kay-Uwe Grams, Herniu Michalski, Burkhard Schäfer, Rainer Schmidt