Patents by Inventor Stefan Waldhör

Stefan Waldhör 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: 9936635
    Abstract: A power tool is provided with a drive motor and a drive shaft connected to the drive motor so as to be driven in rotation about an axis of rotation. A disk is fixedly secured to the drive shaft so as to rotate with the drive shaft. At least one knife is arranged on a face of the disk that in operation of the power tool is facing the ground. The at least one knife is fixedly connected to the disk and a driving torque for rotatingly driving the at least one knife about the axis of rotation is transmitted from the disk onto the at least one knife. A spacing of a radial outer edge of the at least one knife relative to the axis of rotation is smaller than a radius of the disk.
    Type: Grant
    Filed: September 20, 2015
    Date of Patent: April 10, 2018
    Assignee: Viking GmbH
    Inventors: Clemens Gottinger, Stefan Waldhör, Stefan Schimmele
  • Publication number: 20160081269
    Abstract: A power tool is provided with a drive motor and a drive shaft connected to the drive motor so as to be driven in rotation about an axis of rotation. A disk is fixedly secured to the drive shaft so as to rotate with the drive shaft. At least one knife is arranged on a face of the disk that in operation of the power tool is facing the ground. The at least one knife is fixedly connected to the disk and a driving torque for rotatingly driving the at least one knife about the axis of rotation is transmitted from the disk onto the at least one knife. A spacing of a radial outer edge of the at least one knife relative to the axis of rotation is smaller than a radius of the disk.
    Type: Application
    Filed: September 20, 2015
    Publication date: March 24, 2016
    Inventors: Clemens Gottinger, Stefan Waldhör, Stefan Schimmele