Patents by Inventor Billy Roy Parker

Billy Roy Parker 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).

  • Dampening device for an elevator compensating cable and associated system and method
    Patent number: 7117978
    Abstract: A dampening device for a compensating cable operably engaged with an elevator car is provided, wherein the compensating cable includes two linear portions connected by an arcuate portion. A first guide including at least one roller member is disposed within the arcuate portion and is configured to dampen oscillation of the compensating cable. At least one sensor device is disposed within the arcuate portion and is capable of operably engaging at least one of the compensating cable and the at least one roller member to sense an entanglement condition of the compensating cable. In some instances, at least one sensor device is disposed outside the arcuate portion, in addition to or instead of the at least one sensor within the arcuate portion, and capable of operably engaging the compensating cable to sense a suspension rope stretch condition. An associated system and method are also provided.
    Type: Grant
    Filed: August 10, 2004
    Date of Patent: October 10, 2006
    Assignee: Draka Elevator Products, Inc.
    Inventors: Didier Kaczmarek, Billy Roy Parker, Geoffrey Todd Vaughn