Device for establishing admittance and transport of cargo to and from a wind turbine construction above ground level
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United States of America Patent
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Aug 25, 2015
Grant Date -
Aug 30, 2012
app pub date -
Oct 28, 2010
filing date -
Oct 28, 2009
priority date (Note) -
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status (Latency Note)
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Abstract
A device for establishing admittance and transport of cargo to and from a wind turbine construction above ground level and having a part which can be raised and/or lowered by wires and winches located at ground level and connected with snatch blocks attached to a part so that it can be raised and/or lowered in relation to the construction. The part has a number of travelling crabs according to the numbers of winches and the travelling crabs are guided of the wires between the winches and the snatch blocks, and that the part with the travelling crabs is displaced upwards or downwards by the wires. Advantageously, the wires are used for both hoisting the part and as guide for the travelling crabs.
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