Truss lifting apparatus and process
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United States of America Patent
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Aug 11, 2015
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N/A
app pub date -
Nov 5, 2014
filing date -
Nov 5, 2014
priority date (Note) -
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Abstract
A truss lifting process and apparatus for coupling a lifting truss to a load to be lifted especially for lifting a large prefabricated concrete panel in the making of a dual panel truss having a pair of spaced apart concrete panels. A lifting truss has a plurality of spaced hydraulic cylinders hanging therefrom with each hydraulic cylinder having a grappling hook attached thereto for attaching to an attachment member on an object to be lifted. The plurality of hydraulic cylinders are actuated simultaneously to pull each coupled grappling hook and attachment member taut and then locked for the lifting truss to lift the attached object.
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