Patents by Inventor Jonathan Ashley Brothers

Jonathan Ashley Brothers 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: 11198588
    Abstract: A counterweight slack detection switch including a body, a first belt guide mounted to the body and configured to engage a first side of a tension member, a second belt guide mounted to the body and configured to engage the first side of the tension member, a lever arm having a first end and a second end, the first end pivotally mounted to the body, a deflectable member biasing the lever arm relative to the body, a third belt guide mounted to the second end of the lever arm and configured to bias the tension member from a tension position to a slack position, and a switch mounted to the body and configured to contact the tension member when the tension member is in at least one of the tension position and the slack position.
    Type: Grant
    Filed: June 25, 2019
    Date of Patent: December 14, 2021
    Assignee: TK Elevator Innovation and Operations GmbH
    Inventors: Justin Charles Morse, Jeffrey Duvall, Jonathan Ashley Brothers
  • Publication number: 20200002129
    Abstract: A counterweight slack detection switch including a body, a first belt guide mounted to the body and configured to engage a first side of a tension member, a second belt guide mounted to the body and configured to engage the first side of the tension member, a lever arm having a first end and a second end, the first end pivotally mounted to the body, a deflectable member biasing the lever arm relative to the body, a third belt guide mounted to the second end of the lever arm and configured to bias the tension member from a tension position to a slack position, and a switch mounted to the body and configured to contact the tension member when the tension member is in at least one of the tension position and the slack position.
    Type: Application
    Filed: June 25, 2019
    Publication date: January 2, 2020
    Applicants: thyssenkrupp Elevator AG, thyssenkrupp AG
    Inventors: Justin Charles Morse, Jeffrey Duvall, Jonathan Ashley Brothers