Patents by Inventor Pascal CROCOMBETTE

Pascal CROCOMBETTE 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).

  • Screwing/unscrewing tool suitable for a screw or a bolt that is difficult to access, in particular on a mast or a jib of a crane
    Patent number: 12447586
    Abstract: A screwing/unscrewing tool for screwing/unscrewing a screw or a bolt includes a first part including a lever secured to a screwing/unscrewing bit provided with at least one screwing/unscrewing recess centered on a main axis, a second part including a support arm equipped with a tapped hole and on which the screwing/unscrewing bit is rotatably mounted around the main axis, and an adjustment screw screwed into the tapped hole and having a coupling head configured for a coupling with a screw-gun or a wrench, and extended by a threaded rod having a free end suitable for abutment on the lever in order to apply a pivoting force to it. The screwing/unscrewing tool may be used with a screw or bolt that is difficult to access in a crane mast or crane jib.
    Type: Grant
    Filed: January 25, 2023
    Date of Patent: October 21, 2025
    Assignee: Manitowoc Crane Group France
    Inventors: Yves Alloin, Olivier Gollion, Florent Mourin, Dominique Chambon, Pascal Crocombette, Sylvain Leblan
  • SCREWING/UNSCREWING TOOL SUITABLE FOR A SCREW OR A BOLT THAT IS DIFFICULT TO ACCESS, IN PARTICULAR ON A MAST OR A JIB OF A CRANE
    Publication number: 20230234191
    Abstract: A screwing/unscrewing tool for screwing/unscrewing a screw or a bolt includes a first part including a lever secured to a screwing/unscrewing bit provided with at least one screwing/unscrewing recess centered on a main axis, a second part including a support arm equipped with a tapped hole and on which the screwing/unscrewing bit is rotatably mounted around the main axis, and an adjustment screw screwed into the tapped hole and having a coupling head configured for a coupling with a screw-gun or a wrench, and extended by a threaded rod having a free end suitable for abutment on the lever in order to apply a pivoting force to it. The screwing/unscrewing tool may be used with a screw or bolt that is difficult to access in a crane mast or crane jib.
    Type: Application
    Filed: January 25, 2023
    Publication date: July 27, 2023
    Inventors: Yves ALLOIN, Olivier GOLLOIN, Florent MOURIN, Dominique CHAMBON, Pascal CROCOMBETTE, Sylvain LEBLAN