Patents Assigned to Spider A/S
  • Patent number: 4660678
    Abstract: The invention relates to a service suspension basket which is adapted to move on rails or similar mounting means which are secured on the under side of platform deck or on a similar, downwardly facing foundation, the service basket is supported via a number of join arm-formed, hydraulically pivotable support means with associated separate hydraulically operated catch claws on the rails or similar mounting means.
    Type: Grant
    Filed: May 19, 1986
    Date of Patent: April 28, 1987
    Assignee: Spider A/S
    Inventor: Gustav Krag