Patents by Inventor Arnaud Cazé

Arnaud Cazé 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 emergency stop systems
    Patent number: 11261055
    Abstract: Elevator systems and methods of operation include a tension member support positioned within an elevator shaft, a tension member suspended from the tension member support within the elevator shaft, and a slack detection system. The slack detection system includes at least one biasing element housed within the tension member support and operably coupled to the tension member, the at least one biasing element arranged to receive a load from the tension member and a switch arranged to be moved from a first position to a second position in response to movement of the at least one biasing element, wherein when in the second position the switch triggers an emergency stop of an elevator car within the elevator shaft.
    Type: Grant
    Filed: August 30, 2018
    Date of Patent: March 1, 2022
    Assignee: OTIS ELEVATOR COMPANY
    Inventors: Antoine Adrian Blanchard, Emmanuel Convard, Arnaud Cazé
  • Elevator overrun systems
    Patent number: 11078043
    Abstract: Elevator overrun systems having a first body arranged to be fixedly mounted to a portion of an elevator system or elevator shaft, a second body positioned within the first body and moveable from a deployed state to a retracted state relative to the first body, and a limit switch located at a distal end of the second body, the limit switch configured to interact with a component of an elevator system to prevent movement of an elevator car.
    Type: Grant
    Filed: May 1, 2018
    Date of Patent: August 3, 2021
    Assignee: OTIS ELEVATOR COMPANY
    Inventors: Jean-Emile Rocher, Gerard Sirigu, Jean Marie Bongibault, Guillaume Trouvain, Arnaud Cazé, Guilhem Fournier
  • ELEVATOR EMERGENCY STOP SYSTEMS
    Publication number: 20190084801
    Abstract: Elevator systems and methods of operation include a tension member support positioned within an elevator shaft, a tension member suspended from the tension member support within the elevator shaft, and a slack detection system. The slack detection system includes at least one biasing element housed within the tension member support and operably coupled to the tension member, the at least one biasing element arranged to receive a load from the tension member and a switch arranged to be moved from a first position to a second position in response to movement of the at least one biasing element, wherein when in the second position the switch triggers an emergency stop of an elevator car within the elevator shaft.
    Type: Application
    Filed: August 30, 2018
    Publication date: March 21, 2019
    Inventors: Antoine Adrian Blanchard, Emmanuel Convard, Arnaud Cazé
  • ELEVATOR OVERRUN SYSTEMS
    Publication number: 20180327222
    Abstract: Elevator overrun systems having a first body arranged to be fixedly mounted to a portion of an elevator system or elevator shaft, a second body positioned within the first body and moveable from a deployed state to a retracted state relative to the first body, and a limit switch located at a distal end of the second body, the limit switch configured to interact with a component of an elevator system to prevent movement of an elevator car.
    Type: Application
    Filed: May 1, 2018
    Publication date: November 15, 2018
    Inventors: Jean-Emile Rocher, Gerard Sirigu, Jean Marie Bongibault, Guillaume Trouvain, Arnaud Cazé, Guilhem Fournier