Patents by Inventor Nawel Bettaieb

Nawel Bettaieb 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 car
    Patent number: 11655121
    Abstract: An elevator car includes a car floor; a movable ceiling, which is pivotable between a normal operating position, in which the movable ceiling extends substantially horizontally and a maintenance position, in which the movable ceiling extends into an interior space of the elevator car; a working platform movably attached to the movable ceiling. The working platform is pivotable between a storage position, in which the working platform extends basically parallel to the movable ceiling, and a working position, in which the working platform extends transversely from the movable ceiling; and at least one foldable leg attached to the working platform. The at least one foldable leg is foldable between a storage configuration, in which the at least one foldable leg extends substantially parallel to the working platform, and a working configuration, in which the at least one foldable leg extends transversely from the working platform for supporting the working platform.
    Type: Grant
    Filed: November 6, 2020
    Date of Patent: May 23, 2023
    Assignee: OTIS ELEVATOR COMPANY
    Inventors: Michael Fever, Nawel Bettaieb, Alper Caliskan, Herve Senejoux
  • ELEVATOR CAR
    Publication number: 20210139284
    Abstract: An elevator car includes a car floor; a movable ceiling, which is pivotable between a normal operating position, in which the movable ceiling extends substantially horizontally and a maintenance position, in which the movable ceiling extends into an interior space of the elevator car; a working platform movably attached to the movable ceiling. The working platform is pivotable between a storage position, in which the working platform extends basically parallel to the movable ceiling, and a working position, in which the working platform extends transversely from the movable ceiling; and at least one foldable leg attached to the working platform. The at least one foldable leg is foldable between a storage configuration, in which the at least one foldable leg extends substantially parallel to the working platform, and a working configuration, in which the at least one foldable leg extends transversely from the working platform for supporting the working platform.
    Type: Application
    Filed: November 6, 2020
    Publication date: May 13, 2021
    Inventors: Michael Fever, Nawel Bettaieb, Alper Caliskan, Herve Senejoux