JACKING TOWER
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United States of America Patent
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app pub date -
Apr 15, 2015
filing date -
Mar 12, 2013
priority date (Note) -
Abandoned
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Abstract
A method of self-erecting a jacking tower includes extending a lift assembly, inserting a first module assembly below the extended lift assembly, lowering the lift assembly around the first module assembly, engaging the lift assembly with the first module assembly, extending the lift assembly with the first module assembly engaged, inserting a second module assembly below the extended lift assembly, lowering the lift assembly, and coupling the first and second module assemblies.
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