Mobile concrete pump with distributing boom
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United States of America Patent
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Jun 9, 2009
Grant Date -
Jun 29, 2006
app pub date -
Jun 4, 2004
filing date -
Jun 25, 2003
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A mobile concrete pump comprising a structural frame (14) mounted on the undercarriage (10) of a truck chassis (12), a boom stand (22) that is provided on the structural frame (14) and that is rotatable about a vertical axis (20) and a concrete distribution boom (24) configured in the form of multi-arm articulated boom (24). The concrete distributing boom consisting, for example, of six arms, which arms can rotate with respect to one another. In order to make possible the use of a distributing boom with a longer reach, a trailer (32) having its own undercarriage (34) is provided, said trailer being connected to the truck undercarriage (10) by a coupling member (36) in the transport condition. The trailer (32) has a pivot member (40) rotatable about a vertical axis (38) for receiving an arm set (42) that projects beyond the rear end of the truck undercarriage (10) in the transport condition.
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