Crane, especially a track-bound mobile crane
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United States of America Patent
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Mar 4, 1997
Grant Date -
N/A
app pub date -
Jan 31, 1995
filing date -
Jan 31, 1994
priority date (Note) -
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Abstract
A crane, particularly a track-bound mobile crane, having a luffing jib located on a vehicle frame so as to be slewable upward and downward around a horizontal axis and rotatable around a vertical axis. In order to transport long and heavy loads in narrow areas, especially during the construction of bridges or tracks, the luffing jib is supported on at least one swivel bearing located on a vehicle frame end and is slewable upward and downward or liftable by a lifting drive arranged between the ends of the vehicle frame.
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