LIFTING APPARATUS FOR A LIFTING CRANE
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United States of America Patent
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Issued Date -
Oct 5, 2023
app pub date -
Jul 9, 2021
filing date -
Jul 9, 2021
priority date (Note) -
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Abstract
Lifting apparatus for a lifting crane (1), adapted to carry an elongated component, especially a rotor blade (8) of a wind turbine (12), comprising a frame (6) with at least two support arms (7) for carrying the component, wherein at least one flap-like interaction means (17) for interacting with blowing wind is provided at the frame (6) or a support arm (7), which flap-like interaction means (17) is movable from a non-working position in a working position, in which it is set against the wind.
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