Dismounting device for heavy load hoisting sling
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United States of America Patent
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Jun 23, 2009
Grant Date -
Sep 14, 2006
app pub date -
Jun 20, 2002
filing date -
Jun 20, 2002
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A base has at its upper end a crane engagement portion with which a hook of a crane is engaged. Pivotally engaged with a first shaft affixed to the base below the crane engagement portion, is a substantial center of a lever holder. Swingably mounted on a second shaft affixed to the base below the first shaft is a proximal end of a link lever, and this link lever has a distal end releasably engaged with a distal end of the lever holder. One end of a sling including the other end to be hung on the hook of the crane so as to be engageable with a heavy load, is releasably hung on the link lever. Further, a release lowers a proximal end of the lever holder to thereby release the distal end of the link lever from the distal end of the lever holder.
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