Universal flange lifter device
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United States of America Patent
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-
Dec 2, 2014
Issued Date -
N/A
app pub date -
Apr 4, 2012
filing date -
Apr 4, 2012
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A universal lifting device adapted to lift and support large pipe flange assemblies during installation and removal. The lifting device is hoist-supported and comprises a first and second member rotatably connecting to a common support pin. The rotatable members are elongated dog-bone sections offset from one another along the pin, rotatable along parallel planes and adapted to be positioned on opposing sides of a flange. The members connect to the pin at their proximal end, while their distal end allows a lifting bolt to be positioned therethrough and into an eye of the flange. Two lifting bolts are utilized to support the flange during deployment, while the common pin is supported by a crane hoist and the two members are offset using a plurality of spacers to prevent binding. The lifting bolts are secured using a hingeable latch that prevents their dislodgement from the distal end of each rotatable member.
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