Wheeled, Load-transporting Type Vehicle Having Driven Means Thereon For Repositioning Load Supporting Portion Of Vehicle To Cause Or Facilitate Movement Of Load To Or From An External Cooperating Means Patents (Class 414/349)
Load-supporting portion pivotable about horizontal axis (Class 414/350)
Cooperating means comprises or includes a conveyor (Class 414/351)
  • Pipeline scraper handling apparatus
    Patent number: 4245945
    Abstract: In order to facilitate the retrieval and launching of a pipeline scraper, as well as intermediate handling including transportation and cleaning, a trailer-mounted cradle apparatus is employed. The cradle is vertically adjustable to accomodate different heights of incoming and launching traps. An integral reel and cable unit is provided to assist in pulling a scraper from an incoming trap into the cradle and, optionally, to start the scraper into a launching trap.
    Type: Grant
    Filed: June 6, 1979
    Date of Patent: January 20, 1981
    Assignee: Sun Pipe Line Company
    Inventor: Luke J. Rizzo