Patents by Inventor Jim Nickerson

Jim Nickerson 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).

  • Elevator rope positioning apparatus
    Patent number: 8123002
    Abstract: A system and method for minimizing compensation rope sway by altering the natural frequency of compensation ropes using servo actuators. The rope sway may be minimized by moving the compensation sheave to adjust the tension of the compensation rope or adjusting the position of the termination of a compensation rope to account for changes in the position of a structure. Servo actuators may also be used to re-level the elevator car to account for rope stretch.
    Type: Grant
    Filed: September 15, 2008
    Date of Patent: February 28, 2012
    Assignee: Thyssenkrupp Elevator Capital Corporation
    Inventors: Rory S. Smith, Stefan Kaczmarczyk, Jim Nickerson, Patrick M. Bass
  • System and Method to Minimize Rope Sway in Elevators
    Publication number: 20090229922
    Abstract: A system and method for minimizing compensation rope sway by altering the natural frequency of compensation ropes using servo actuators. The rope sway may be minimized by moving the compensation sheave to adjust the tension of the compensation rope or adjusting the position of the termination of a compensation rope to account for changes in the position of a structure. Servo actuators may also be used to re-level the elevator car to account for rope stretch.
    Type: Application
    Filed: September 15, 2008
    Publication date: September 17, 2009
    Inventors: Rory S. Smith, Stefan Kaczmarczyk, Jim Nickerson, Patrick M. Bass