Patents by Inventor Manuel Mariscal

Manuel Mariscal 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).

  • Torsion damper, and a friction unit constituting a sub-assembly for such a torsion damper
    Patent number: 5655967
    Abstract: A torsion damper, especially for a motor vehicle clutch, is of the kind which includes a friction cassette, i.e. a unitary sub-assembly comprising a friction assembly, which includes a guide ring, a spacing ring having at its outer periphery at least one axially oriented projection, at least one drive ring interposed axially between the guide ring and the spacing ring. A spring causes the drive ring to be gripped between the guide ring and the spacing ring, and this spring bears on a closing ring which is arranged on the side of the guide ring opposite to the spacing ring, and the closing ring is connected to the axial projection of the spacing ring.
    Type: Grant
    Filed: May 31, 1994
    Date of Patent: August 12, 1997
    Assignee: Valeo
    Inventors: Carlos Lopez, Luis Gomez, Manuel Mariscal