Patents Represented by Attorney Friederich Kueffner
  • Patent number: 5921597
    Abstract: A device for manually moving or displacing sections or sheet metal includes at least one hand lever which has at one end a handle and at the other end a gripping arm connected in an articulated joint to the hand lever so as to be capable of swivelling about a transverse axis. The hand lever further has an abutment located opposite the gripping arm. Frictionally engaging tensioning elements for limiting the free swivelling capability of the gripping arm relative to the hand lever are integrated in the articulated joint between the gripping and the hand lever.
    Type: Grant
    Filed: August 14, 1997
    Date of Patent: July 13, 1999
    Assignee: Kettenwerke Schlieper GmbH
    Inventor: Alfred Thiele
  • Patent number: 5644939
    Abstract: A straightening machine for rolled beams, particularly hyper-beams, includes two straightening disks which are mounted on a straightening shaft and rest against the flanges of the beams from the inside, wherein at least one of the two straightening disks is axially displaceable. A support ring is arranged between the straightening disks. The support ring has distributed over the circumference thereof a plurality of hydraulic cylinders. The adjusting pistons of the hydraulic cylinders are connected to the axially displaceable straightening disk.
    Type: Grant
    Filed: January 20, 1995
    Date of Patent: July 8, 1997
    Assignee: SMS Schloemann-Siemag Aktiengesellschaft
    Inventor: Markus Willems