Flange lifting tool

Abstract

The invention relates to a lifting tool for lifting or upending a flanged object, the lifting tool extending along a central longitudinal tool axis and comprising; a hoisting member for coupling the lifting tool to a hoisting line and applying a hoisting force to the lifting tool, a main frame for guiding a moveable flange engagement member, said flange engagement member moveably coupled with the main frame for supporting the flanged object, and moveably with respect to the main frame, a driving device coupled with the flange engagement member and the main frame for driving the flange engagement member radially with respect to the central longitudinal tool axis between a flange releasing position for introducing the lifting tool at least partly in said flanged object and past the flange thereof and a flange supporting position wherein the flange engagement member supports the object, wherein the driving device comprises a linkage system coupled with the hoisting member and the flange engagement member such that the flange engagement member is forced towards its flange supporting position upon application of the hoisting force to the lifting tool.

Dependencies are inferred from the claim text.