BALLAST WAGON FOR A DERRICK CRANE
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United States of America Patent
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Issued Date -
Jun 6, 2013
app pub date -
Nov 29, 2012
filing date -
Dec 1, 2011
priority date (Note) -
Abandoned
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Abstract
The present disclosure relates to a ballast wagon for a derrick crane. The ballast wagon has two wheeled portions which each have at least two wheelsets with a respective one wheel. The two wheeled portions are arranged rotatably at a frame of the ballast wagon. The at least two wheelsets of a wheeled portion are formed pivotable independently of one another about a respective pivot axis.
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