Patents Assigned to Union Siderurgique de Nord et du l'est de la France
  • Device for untightening and tightening nuts
    Patent number: 4186629
    Abstract: The device comprises a ring gear mounted on the outer surface of the nut and a gear pinion in mesh with the crown gear. The pinion is rotatably mounted on a fixed pin and has a cavity for receiving a device for driving the pinion in rotation.
    Type: Grant
    Filed: November 23, 1977
    Date of Patent: February 5, 1980
    Assignee: Union Siderurgique de Nord et du l'est de la France
    Inventor: Claude Costes