Device, to unroll mast with varying flat cross-section from rolled transport position, has support band for each mast fixed at mast drum and wound on band drum when mast is unwound

摘要

The device (2) has a rotatably supported mast drum (10) fixed to one end of the mast (3), on which the mast is wound. At least one support band (9) for each mast is fixed at the mast drum and is coiled over the mast on the mast drum in the transport position. A parallel band drum (11) is provided for each support band, on which the support band is wound when the mast is unwound. A clamp unit is provided for each support band to secure the support band between the mast drum and the band drum.