A lifting apparatus and a method for lifting a longitudinal bendable structure such as a wind turbine blade

Abstract

A lifting apparatus for lifting a longitudinal bendable structure such as a wind turbine blade is provided, the lifting apparatus includes—a longitudinal beam including one or more sections and one or more rigging elements; —a plurality of attachment units positioned along the longitudinal beam; the attachment units include—a vacuum gripper for gripping a part of a longitudinal structure; —a displaceable arm connected to the vacuum gripper, the displaceable arm being linear displaceable between a retracted position and an extended position; —a power transmission unit configured to displacing the displaceable arm between the retracted position and the extended position; —a global power transmission system in fluid communication with the power transmission units, the global power transmission system being configured for balancing the power transmission units.

Dependencies are inferred from the claim text.