Patents by Inventor Fredrik Rosdahl

Fredrik Rosdahl 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).

  • Gyratory crusher main shaft sleeve
    Patent number: 9827568
    Abstract: A gyratory crusher main shaft sleeve friction fit over an uppermost end of a crusher main shaft. The sleeve includes an elongate axial wall for being positioned in contact with an outward facing surface of the main shaft. The axial wall has a thickness that decreases in a direction from a second upper end to a first lower end, wherein the internal facing surface of the sleeve extends transverse to a longitudinal axis of the sleeve so as to taper inwardly towards the axis in a direction from the first to the second end.
    Type: Grant
    Filed: June 20, 2013
    Date of Patent: November 28, 2017
    Assignee: SANDVIK INTELLECTUAL PROPERTY AB
    Inventors: Niklas Aberg, Bengt-Arne Eriksson, Fredrik Rosdahl
  • GYRATORY CRUSHER MAIN SHAFT SLEEVE
    Publication number: 20150202630
    Abstract: A gyratory crusher main shaft sleeve friction fit over an uppermost end of a crusher main shaft. The sleeve includes an elongate axial wall for being positioned in contact with an outward facing surface of the main shaft. The axial wall has a thickness that decreases in a direction from a second upper end to a first lower end, wherein the internal facing surface of the sleeve extends transverse to a longitudinal axis of the sleeve so as to taper inwardly towards the axis in a direction from the first to the second end.
    Type: Application
    Filed: June 20, 2013
    Publication date: July 23, 2015
    Inventors: Niklas Aberg, Bengt-Arne Eriksson, Fredrik Rosdahl