Patents by Inventor Lothar Luckhof

Lothar Luckhof 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).

  • Patent number: 7024899
    Abstract: A roll shaft assembly especially for a planetary cross roll rolling mill for tubing and the like has the roll shaft and mill roll connected by a conical centering arrangement and a screw, preferably coaxial therewith with the torque transfer being effected by tooth rings on the ends of the shaft and roll and having interdigitating teeth.
    Type: Grant
    Filed: December 22, 2003
    Date of Patent: April 11, 2006
    Assignee: SMS Meer GmbH
    Inventors: Herrmann-Josef Klingen, Thomas Winterfeldt, Lothar Lückhof
  • Publication number: 20040144148
    Abstract: A roll shaft assembly especially for a planetary cross roll rolling mill for tubing and the like has the roll shaft and mill roll connected by a conical centering arrangement and a screw, preferably coaxial therewith with the torque transfer being effected by tooth rings on the ends of the shaft and roll and having interdigitating teeth.
    Type: Application
    Filed: December 22, 2003
    Publication date: July 29, 2004
    Applicant: SMS Meer GmbH
    Inventors: Herrmann-Josef Klingen, Thomas Winterfeldt, Lothar Luckhof
  • Patent number: 5800088
    Abstract: A device for changing a roll disk arranged in a free-floating fashion on a roll shaft and braced against a shoulder of the roll shaft, the device including a roll shaft piece connectable to an end face of the roll shaft and having radially projecting claws. An installation-and-removal unit is placeable on and coaxially turnable to the roll shaft. The unit has radially extending first, second and third claws that form perimeter segments. The first claws correspond to and engage with the claws of the roll shaft piece. A taper bushing is slidably provided between the roll disk and the roll shaft to hold the roll disk on the roll shaft, and has radially extending claws. The second claws correspond to and engage with the taper bushing claws, and are also moveable axially to the roll shaft. A ring is coaxially mounted on a side of the roll disk facing the unit, and has radially extending claws that correspond to and engage behind the third claws.
    Type: Grant
    Filed: January 30, 1996
    Date of Patent: September 1, 1998
    Assignee: Mannesmann Aktiengesellschaft
    Inventors: Lothar Luckhof, Herbert Berendes