Device and method for lifting circular structures
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United States of America Patent
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May 1, 2018
Issued Date -
N/A
app pub date -
Aug 11, 2016
filing date -
Aug 11, 2016
priority date (Note) -
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status (Latency Note)
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Abstract
A device and method for lifting cylindrical structures using an overhead crane. The device comprises a lift cap with a lift tab that is the single-point of connection to the crane. The lift cap has a plurality of slots around its perimeter. A plurality of spreader straps are connected to the lift cap at the slots with shackles that permit the straps to slide a limited distance in the slots. The spreader straps hang down from the lift cap and connect it to a lift ring that hangs below the lift cap. The lift ring is comprised of a series of connected spreader bars and is about the same diameter as the grain bin. Slings attached to the spreader bars hang below the lift ring. The loose end of each sling is removably attached to the cylindrical structure.
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