MODULAR CRANE ATTACHMENT DEVICE FOR PURLINS
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United States of America Patent
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May 25, 2021
Grant Date -
Jun 10, 2021
app pub date -
Dec 10, 2019
filing date -
Dec 10, 2019
priority date (Note) -
Published
status (Latency Note)
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Abstract
Modular crane attachment device for purlins is a crane attachment jig that attaches to the hook of a crane and functions to lift a plurality of purlins in one lift to place each purlin at the precise location on the rafters of a building under construction to allow for immediate attachment of all purlins to the rafters wherein each purlin is fastened into place while held by the crane and modular crane attachment device for purlins, which functions as a giant assembly jig in this manner. Modular crane attachment device for purlins is modular so that it can be broken down by hand into a bundle of 10-20 foot long structural members, fittings, and cables. Modular crane attachment device for purlins is modular so it can be assembled in any length and width to fit any application of any number and any length of purlins required for the building.
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