Patents Assigned to Rosenqvist Gruppen AB
  • Sleeper-moving arrangement
    Patent number: 7380506
    Abstract: The present invention relates to an arrangement for gripping and releasing a plurality of sleepers intended for a railroad section with the aid of a unit, the arrangement including means for spacing adjacent units equidistantly. The means includes frame-associated and centrally pivotal arms whose outer portions co-act pivotally with one end of a respective brace or link whose other ends are pivotally fastened to a respective outer unit, wherein the central regions of the arms are pivotally fastened to one end of a respective brace or link whose other ends are pivotally fastened to a respective intermediate unit.
    Type: Grant
    Filed: May 10, 2004
    Date of Patent: June 3, 2008
    Assignee: Rosenqvist Gruppen AB
    Inventor: Ove Hammarstrand
  • Sleeper-moving arrangement
    Publication number: 20070003402
    Abstract: The present invention relates to an arrangement for gripping and releasing a plurality of sleepers intended for a railroad section with the aid of a unit, the arrangement including means for spacing adjacent units equidistantly. The means includes frame-associated and centrally pivotal arms whose outer portions co-act pivotally with one end of a respective brace or link whose other ends are pivotally fastened to a respective outer unit, wherein the central regions of the arms are pivotally fastened to one end of a respective brace or link whose other ends are pivotally fastened to a respective intermediate unit.
    Type: Application
    Filed: May 10, 2004
    Publication date: January 4, 2007
    Applicant: ROSENQVIST GRUPPEN AB
    Inventor: Ove Hammarstrand