Method of lifting a load using a bag coupled to a lifting sling
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United States of America Patent
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Jun 14, 2016
Grant Date -
Mar 12, 2015
app pub date -
Nov 24, 2014
filing date -
Feb 28, 2005
priority date (Note) -
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Abstract
A method of lifting a loaded bag with a coupled lifting sling. The bag has a top portion, a closed sidewall, a closed bottom portion, and an opening on the top portion. The method uses a lifting sling coupled to the bag, where the lifting sling is a series of straps that holds the bag. The bag has a series of strap retention devices attached near the bags top edge. The straps are movable vertically in the retention devices. The method includes the steps of loading the bag with a load to a load level, then lifting the lifting straps using a lifting device. The bag's surface above the load line slides down the coupled straps, as the straps are coupled but not attached to the bags above the load line.
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