Tower erecting system
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United States of America Patent
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Jan 2, 2018
Issued Date -
N/A
app pub date -
Sep 21, 2015
filing date -
Jan 20, 2012
priority date (Note) -
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Abstract
In certain embodiments, a tower lifting system comprises a primary lifting system and a secondary lifting system. The primary lifting system includes a lift cap configured to support a tower section to be lifted, the lift cap having a first plurality of hoists, and a lift pole coupled to the lift cap, the lift pole having a lifting mechanism configured to lift the lift cap, the lift pole, and the tower section to be lifted from within a previously lifted tower section. The secondary lifting system comprises a second plurality of hoists configured to raise the tower section to be lifted to the lift cap from a tower foundation.
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