Upper turning body for crane
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United States of America Patent
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Nov 17, 2020
Grant Date -
Oct 17, 2019
app pub date -
Jun 25, 2019
filing date -
Feb 27, 2014
priority date (Note) -
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status (Latency Note)
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Abstract
An upper turning body mounted on a lower body for a crane includes a turning frame mounted on the lower body to turn freely, and a boom provided to the turning frame to be raised and lowered freely. The turning frame includes a pair of attachment brackets to which a base end section of the boom is attached such that the boom is free to be raised and lowered, and a frame body to which the pair of attachment brackets are provided with an interval in a left-right direction of the upper turning body. The frame body is formed of a plurality of divided frames arranged side by side in the left-right direction of the upper turning body, adjacent divided frames of the plurality of divided frames being separably joined to each other.
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