Patents by Inventor Antoine Couallier

Antoine Couallier 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).

  • Device for permanently coupling two shafts
    Patent number: 6186694
    Abstract: A device for permanently coupling two shafts rotatable about a common axis comprises a tubular intermediate member disposed between the outer shaft and the inner shaft, an elastic connecting member disposed between the inner shaft and the tubular intermediate member, the elastic member being attached directly to the inner shaft and to the tubular intermediate member; and rotational connecting means between the outer shaft and the tubular intermediate member. When the coupling is mounted on an automobile vehicle steering column, the inner shaft is a tube of the steering shaft and the outer shaft is the connection end of the yoke of a universal joint.
    Type: Grant
    Filed: December 5, 1997
    Date of Patent: February 13, 2001
    Assignee: Lemförder Nacam SA
    Inventors: Antoine Couallier, André Laisement, Benoît De Rincquesen