Apparatus and method for lifting containers
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United States of America Patent
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Dec 20, 2011
Grant Date -
Nov 13, 2008
app pub date -
May 9, 2007
filing date -
May 9, 2007
priority date (Note) -
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status (Latency Note)
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Abstract
A lifting apparatus is adapted for use in lifting a container having a pair of channels, each of the channels having a pair of open ends. The lifting apparatus includes an elongated support bar and a hook assembly mounted on each end of the support bar. Each of the hook assemblies includes a pair of hooks and a hydraulic cylinder and piston for rotating the hooks between open and closed positions. The container is lifted by lowering the support bar with the hooks in the open position until the hooks can be rotated into the open ends of the two channels. The hooks are then rotated to the closed position so that the hooks extend into the channels. The lifting apparatus is then raised to lift the container.
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