Tamping machine
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United States of America Patent
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May 28, 2013
Grant Date -
Feb 10, 2011
app pub date -
Apr 3, 2009
filing date -
Apr 28, 2008
priority date (Note) -
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status (Latency Note)
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Abstract
A tamping machine designed especially for tamping switch sections comprises two inner and two outer tamping units (13, 24). Each outer tamping unit (24) is designed to be pivotable about a pivot axis (26), extending in the longitudinal direction of the machine, relative to a guide block (25) connected for displacement to transverse guides (12) and to a transverse displacement drive (14), and is connected to a pivot drive (27). Thus, tamping tools (18) of the outer tamping unit (24) can be positioned at a maximum distance from a machine center (23) for extensive tamping of a branch rail.
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