Patents by Inventor Jean P. Froment

Jean P. Froment 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).

  • Drawn lever lubrication apparatus for a weaving mechanism
    Patent number: 5251672
    Abstract: A drawing mechanism incorporating rocking levers interposed between a weaving mechanism and the heddle frames of a weaving loom wherein each of the rocking levers for coupling the connecting rods includes a lateral element which defines a lubrication conduit joining the interspace of the ball bearings to an opening made in the levers for mounting to a coupling pivot.
    Type: Grant
    Filed: July 7, 1992
    Date of Patent: October 12, 1993
    Assignee: S.A. des Etablissements Staubli (France)
    Inventors: Jean P. Froment, Andre Fumex
  • Draw lever assemblies mounted on the dobbies and other mechanism for forming the shed on weaving machines
    Patent number: 4546800
    Abstract: The present invention relates to draw lever assemblies mounted on the dobbies and other mechanisms for forming the shed on weaving machines. Between the levers born by the fixed pin there are interposed axial stops, each of which includes two discs profiled to form between them a raceway for balls. The assembly is subjected to a constant axial pressure, furnished for example by an elastically deformable washer.
    Type: Grant
    Filed: September 14, 1984
    Date of Patent: October 15, 1985
    Assignee: S. A. des Etablissements STAUBLI (France)
    Inventor: Jean P. Froment