Mobile crane substructure
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United States of America Patent
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Issued Date -
Jul 1, 2004
app pub date -
Dec 12, 2003
filing date -
Dec 12, 2002
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The present invention relates to a mobile crane substructure with a crawler travel gear arrangement comprising a chassis frame and four individual crawler travel gear elements which are held on bearings located on the chassis frame. According to the invention, the mobile crane substructure is characterised in that the chassis frame comprises two transverse through-girders, with one of the individual crawler gear elements being attached at each end of said transverse through-girders, and in that said chassis frame further comprises a centre section of the frame, which centre section interconnects the two transverse girders.
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