Dual mast arrangement for a crane
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United States of America Patent
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Aug 27, 2013
Grant Date -
Jul 7, 2011
app pub date -
Aug 25, 2009
filing date -
Sep 6, 2008
priority date (Note) -
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status (Latency Note)
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Abstract
A bridge or gantry crane, in particular for handling ISO containers, includes a crane cart that can move along a crane support in the direction of travel of the cart. The cart supports at least one mast that can move in a vertical lift and lowering direction, and a load supporting means for containers being suspended at the mast. In order to optimize the handling rate of a bridge or gantry crane, at least one second mast is provided including a second load supporting means disposed behind and at a distance from a first mast as seen in the direction of travel (K) of the cart.
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