Machine group and method for cleaning ballast of a track
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United States of America Patent
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Aug 16, 2016
Grant Date -
Jan 30, 2014
app pub date -
Mar 8, 2012
filing date -
Apr 5, 2011
priority date (Note) -
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Abstract
A machine group for cleaning ballast of a track includes a first machine, having an endless clearing chain for ballast cleaning, and a second machine preceding the former with regard to a working direction and having a pick-up device for picking up cleaned ballast pre-deposited on the track. A third machine is arranged to precede the second machine. The third machine has two shoulder excavating devices for picking up the ballast located in a shoulder region of a ballast bed, and a second screening plant for cleaning the picked-up ballast.
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