Bridge crane
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United States of America Patent
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Sep 22, 2015
Grant Date -
Feb 7, 2013
app pub date -
Jan 18, 2011
filing date -
Jan 21, 2010
priority date (Note) -
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status (Latency Note)
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Abstract
The object of the invention is a bridge crane, which comprises a main girder, which is fitted to travel supported by end carriages essentially at both ends and which bridge crane further comprises a hoisting trolley traveling supported by the main girder and a rope drum mounted on bearings to rotate in an essentially stationary position, from which rope drum the hoisting rope is guided to a hook traveling along with the hoisting trolley. The hoisting rope is supported from below for at least a part of its essentially horizontal section.
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