Patents Assigned to Crothers Limited
  • Heavy load lifting apparatus
    Patent number: 4636133
    Abstract: A heavy load lifting machine for elevating heavy loads off of and transporting heavy loads along the ground is disclosed. The machine includes a load lifting linkage having a special configuration for the linkage arms and lift rams to accommodate lifting objects in the range of forty tons or more and transporting the objects over the ground with minimal sway of the object during transport.
    Type: Grant
    Filed: January 23, 1985
    Date of Patent: January 13, 1987
    Assignee: Crothers Limited
    Inventor: Markus J. Hess